39. Don’t worry. She can take care of the old woman ______.
A. careful enough B. carefully enough C. enough careful D. enough carefully
38. We haven’t finished our class work, ______?
A. have we B. haven’t we C. don’t we D. do we
37. ______ is dangerous to play in the street.
A. This B That C. It D. He
36. Hurry up! It’s time to go. OK. _____.
A. I’m coming B. I’ll come C. I’ve come D. I come
35. The student didn’t go to bed ______ eleven o’clock.
A. before B. until C. after D. when
34. The dictionary ______ me fifteen dollars.
A. cost B. paid C. took D. spent
33. ______ the radio. The baby is sleeping.
A. Turn on B. Turn off C. Turn down D. Turn up
32. It’s raining ______, they have to stay at home.
A. hardly B. badly C. heavily D. loudly
31. ______ have you been to Beijing? Twice.
A. How long B. How soon C. How many times D. How much
30. ______ I play computer games? No, you mustn’t.
A. May B. Can C. Must D. Shall