Choose the word or phrase that best completes the blank in each sentence. Chọn từ hoặc nhóm từ thích hợp nhất cho chỗ trống trong mỗi câu.
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1-
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The Louisiana Territory, an area ............. the size of France, was bought by the United States from France for $15,000,000 in 1803.
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A -
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than more four times
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B -
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more than four times
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C -
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four times than more
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D -
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is four times more than
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2-
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Despite claims that filters and low-tar tobacco make smoking somewhat safer, in fact they only marginally reduce, ............. eliminate the hazards.
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A -
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none
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B -
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no
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C -
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not
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D -
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nor
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3-
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. ............. many of the designs for the new capital were considered lost forever, Benjamin Banneker helped reproduce the original plans.
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A -
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When
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B -
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During
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C -
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If as
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D -
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How
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4-
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Few natural elements exist in ............. that they are rarely seen in their natural environments.
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A -
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such small quantities
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B -
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so small quantities
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C -
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very small quantities
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D -
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small quantity
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5-
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Generally speaking, every person ............. the potential to be a teacher, to some extent.
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A -
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has
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B -
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to have
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C -
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having
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D -
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have
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6-
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. ............. business, a merger is a combination of two or more corporations under one management.
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A -
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The
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B -
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At
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C -
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On
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D -
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In
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7-
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............. of commodities by air began in the 1920s at the same time as airmail service.
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A -
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The shipping
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B -
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A ship
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C -
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The shipped
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D -
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To ship
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8-
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Jan Malzeliger's invention, the shoe-lasting machine, ............. production but it also cut the cost of shoe production by half.
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A -
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not only increased
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B -
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not increased only
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C -
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increased only
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D -
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only have increased
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9-
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It can sometimes ............. a home.
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A -
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to take months to sell
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B -
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take several months to sell
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C -
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selling takes several months
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D -
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to sell taking several months
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10-
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Jellyfish are probably ............. on Earth.
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A -
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most numerous predators
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B -
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the most numerous predators
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C -
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most numerous of predators
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D -
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the most predators
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