Choose the underlined part among A, B, C or D that needs correction.If there were (A) enough water (B), the rice fields could have been (C) more productive (D).
A.could have been (C)
B.productive (D)
C.enough water (B)
D.were (A)

If someone walk (A) in here with (B) a gun, I would be (C) very frightened (D).
A.walk (A)
B.would be (C)
C.frightened (D)
D.with (B)

Choose the sentence which has the same meaning as the given one.He didn’t revise all his lessons, he failed the exam.
A.If he had revised all his lessons, he wouldn’t have failed the exam.
B.If he had had revised all his lessons, he wouldn’t failed the exam.
C.If he revised all his lessons, he wouldn’t have failed the exam.
D.If he would have revised all his lessons, he wouldn’t failed the exam.

Unless (A) we leave a bowl of (B) water under (C) the sun, it will (D) evaporate.
A.a bowl of (B)
B.will (D)
C.Unless (A)
D.under (C)

If you had left (A) the car unlocked (B), it would (C) have be (D) stolen.
A.unlocked (B)
B.be (D)
C.left (A)
D.would (C)

If you stay up (A) late the previous (B) night, you to feel (C) sleepy the next (D) morning.
A.stay up (A)
B.the next (D)
C.the previous (B)
D.to feel (C)

If I were you, I ______ to apologize.
A.would have called
B.call
C.would call
D.will call

How can we _______ our families on such low wages?
A.limit
B.help
C.ensure
D.support

If you had done as I told you, I think you ______.
A.would succeed
B.would have succeeded
C.could succeed
D.had succeeded

The teaching of history shouldn’t be ______ to date and figures to avoid boredom.
A.limit
B.limited
C.limiting
D.limitation