21. It’s time___about the pollution problem in the city.
A. everything is done
B. anything will be done
C. nothing to be done
D. something was done
22. Bob tried in vain to talk his little brother ___some money from their mother’s purse.
A. to steal
B. to stealing
C. into stealing
D. into steal
23. When I saw Jane, I stopped and smiled, but she___me and walked away.
A. refused
B. ignored
C. denied
D. missed
24. Little___the danger he is in.
A. he realizes
B. he has realized
C. does he realize
D. he does realize
25. The book lists the phenomena and explains the reason___.
A. as well
B. only
C. excessively
D. as well as
26. Parents love their children with a devotion ___ no return.
A. which they ask for
B. for which they ask
C. for which they ask for
D. which they ask
27. If you had come here yesterday, you ___him.
A. would see
B. would have seen
C. saw
D. had seen
28. ___alone, I turned on the radio for company.
A. Be
B. Been
C. Being
D. Having been
29. I don’t expect you ___the exam again.
A. fail
B. to fail
C. failing
D. to be failed
30. It___ him only half an hour to finish his homework, and he ___ most of the evening watching TV.
A. cost, paid
B. took, used
C. took, spent
D. used, spent
