Choose the word or phrase that best completes the blank in each sentence
1-
There is evidence that prehistoric humans used fire ___ 400,000 B. C.
A -
so early
B -
the earliest
C -
as early as
D -
so early that
2-
In the late 1800’s Ellen Richards, began work in the new field of "sanitary science" which was concerned with waste removal, water purification and ___.
A -
to ventilate adequately
B -
adequate ventilation
C -
adequate ventilate
D -
ventilation adequately
3-
___ red clover, high in protein content, is an extremely important leguminous hay and pasture plant of the eastern United States.
A -
The
B -
There us the
C -
It is the
D -
That the
4-
The topology of Mars is more ___ than that of any other planet.
A -
like that of the Earth
B -
the Earth's like that of
C -
like the Earth of that
D -
that of the Earth's like
5-
Ostriches are ___ of living birds, attaining a height from crown to foot of about 2.4 meters and a weight of up to 136 kilograms.
A -
large, strong
B -
large and strong
C -
larger and strong
D -
the largest and strongest
6-
The glaciers that reached the Pacific Coast were valley glaciers, and between those tongues of ice ___ that allowed the original forests to survive.
A -
that many sanctuaries were
B -
were many sanctuaries
C -
were there many sanctuaries
D -
there the many sanctuaries
7-
___ orbits the Sun, Uranus rotates on its axis, an imaginary line through its center.
A -
For it
B -
It
C -
As it
D -
There is
8-
___ duties are placed on commodities according to their value.
A -
Ordinarily, tariff
B -
Ordinary tariffs are
C -
On ordinary tariff
D -
Tariffs are ordinarily
9-
___ about individuals who really existed and things that actually happened.
A -
Folktales which sometimes tell stories
B -
The stories of folktales sometimes telling
C -
Stories sometimes told are when folktales
D -
Folktales sometimes tell stories
10-
___ matter in one form is transmuted to another form, a phase change is said to have taken place.
