Must we finish all the homework today or tomorrow?                    – You ____ worry about it. You may hand it in next week. 
#74646
A
mustn’t
B
can’t
C
needn’t
D
shouldn’t
推荐题目
--- Can you make a kite for me?--- Sorry, I _____.
#75948
A
needn’t
B
can’t
C
mustn’t
D
shouldn’t
I’m sorry, Bill. I _________ the book to you last week, but I was so busy that I forgot to do so.
#63435
A
must have returned
B
could return
C
should have returned
D
might return
They       have got lost, or had an accident.
#62726
A
can
B
might
C
must
D
mustn’t