A.confuse
B.pollute
C.nuclear
D.reduce

A.that
B.this
C.think
D.mother

Choose the best answer to each of the following questions.
_____you have finished your work, you can go home.
A.No sooner
B.As soon as
C.While
D.Before

III. Choose the best answer (A, B, C or D) that best completes each sentence.
The _________ has threatened many of the animals in this park.
A.rainforest
B.population
C.increase
D.contamination

III. Choose the best answer (A, B, C or D) that best completes each sentence.
This park was _________ before World War II.
A.set
B.located
C.established
D.stationed

III. Choose the best answer (A, B, C or D) that best completes each sentence.
We were very _________at his success.
A.surprised
B.interested
C.keen
D.fond

III. Choose the best answer (A, B, C or D) that best completes each sentence.
One species is dependent __________ another of survival.
A.on
B.to
C.of
D.at

III. Choose the best answer (A, B, C or D) that best completes each sentence.
My home village is ____________ 40 kilometers north of the capital.
A.located
B.held
C.laid
D.surrounded

IV. Choose the underlined part (A, B, C or D) that needs correcting.
I had gone (A) to see you (B) if I’d known (C) that you were ill (D).
A.had gone
B.see you
C.known
D.ill

IV. Choose the underlined part (A, B, C or D) that needs correcting.
My brother would buy (A) a (B) sport car if he has (C) money (D).
A.buy
B.a
C.has
D.money