Choose the sentence that is closest in the meaning to the root one.
1-
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If I / not / television / I / hear / burglar alarm / off
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A -
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If I hadnt watched the television, I had heard the burglar alarm go off.
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B -
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If I didnt watch the television, I had heard the burglar alarm go off.
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C -
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If I hadnt watched the television, I would have heard the burglar alarm go off.
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D -
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If I hadnt watch the television, I would hear the burglar alarm go off.
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2-
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He / suffer / rare tropical disease / which / contracted / while / Africa
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A -
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He still suffers from a rare tropical disease which he contracted while he was in Africa.
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B -
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He still suffers from a rare tropical disease which contracted while he was in Africa.
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C -
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He suffers from a rare tropical disease which was contracted while he is in Africa.
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D -
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He suffers from a rare tropical disease which he contracts while in Africa.
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3-
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Laser / device / concentrate / light waves / intense beam.
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A -
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Laser is a device concentrates light waves into an intense light beam.
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B -
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The laser is a device to concentrate light waves to an intense light beam.
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C -
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The laser is a device which concentrates light waves and an intense light beam.
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D -
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Laser is a device which concentrates light waves into an intense light beam.
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4-
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That book / very thick / belong / younger sister.
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A -
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That book, what is very thick, belongs to my younger sister.
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B -
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That book, that is very thick, belongs to my younger sister.
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C -
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That book, which is very thick, belongs to my younger sister.
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D -
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That book, which is very thick, belongs my younger sister.
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5-
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I did not answer the door even though I knew it was my friend.
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A -
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Unless I knew it was my friend, I would not answer the door.
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B -
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I knew it was my friend, but I did not answer the door.
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C -
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Only when I answered the door did I knew it was my friend.
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D -
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I answered the door since I knew it was my friend.
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