31. I'll drop in __________ the tailor tomorrow.

I'll drop in __________ the tailor's tomorrow.

A. / B. at C. on D. with

30. I have a doubt _______ he will succeed.

I have no doubt _______ he will succeed.

A. if B. whether C. that D. how

29. Do me the favor ________ on the radio.

Do me a favor ________ on the radio.

Do me the favor----_________ on the radio.

A. turn B. to turn C. turning D. by turning

28. He is ________ young a boy that he can't dress himself.

He is ________ a young boy that he can't dress himself.

A. such B. so C. very D. too

27. He is one of the persons who _________ invited.

He is the only one of the persons who _________ invited.

A. has been B. have been C. had been D. is being

26. _________, and he can't tell true friends from false ones.

_________, he can't tell true friends from false ones.

A. For he is a child B. He is a child C. A child as he is D. Child as he is

25. The English teacher and class teacher _______ friendly to us.

The English teacher and the class teacher _______ friendly to us.

A. / B. be C. is D. are

24. Two years ________, he had to return to his native village.

Two years ________, and he had to return to his native village.

A. passed B. past C, after D. later

23. We have decided to accept the proposal that he ________ his new theory.

We have decided to accept the proposal that he ________.

A. offer B. offers C. offered D. would offer

22. _________ this road, you will get there.

_________ this road, and you will get there.

A. Follow B> To follow C. Following D. Followed