--- I had thought he would be nervous in this speech competition, but he turned out to be calm.--- He        quite enough preparation for it.
#62830
A
should do
B
must do
C
should have done
D
must have done
推荐题目
Food safety is important. Rules        to stop people from food pollution.
#76536
A
must make
B
must be made
C
can’t make
D
can’t be made
— Shall we meet at the station at 8 a.m.? — In fact we _________. The train _________ until 10 a.m..
#76750
A
mustn’t; doesn’t leave
B
mustn’t; leaves
C
needn’t; won’t leave
D
needn’t; will leave
— May I park my car here, Sir?  —_________. You may park it over there.
#74702
A
Yes, you may
B
Yes, you can
C
No, you needn't
D
No, you mustn't