You have a big mouth, Li Fei. You ________ have told everybody the secret.
#63222
A
can't
B
mustn't
C
shouldn't
D
mightn't
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—Hurry up, Mum. The lights are turned on. Dad has been back.—It _________ be him. He has gone to Shanghai.
#75758
A
must
B
can’t
C
mustn’t
D
may
---How did you do in the test yesterday? -----Not so well. I ______ much better but I misread the directions for writing.
#63231
A
will have done
B
could have done
C
must have done
D
may have done
Just imagine performing such an opera as Turandot in the Forbidden City---there _____ be a better setting!
#62610
A
mustn’t
B
shouldn’t
C
couldn’t
D
needn’t