—Why,I didn’t get you on the phone.—We ________football on the playground when you phoned.
#62277
A
must be playing
B
must play
C
must have played
D
must have been playing
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The boy insisted that he __________ nothing wrong and that he __________ at once.
#63242
A
did, should be set free
B
should do, must be set free
C
do, should be set free
D
did, must be set free
---Must I hand in my homework now?---No,you__.You can hand it in tomorrow.
#74413
A
mustn’t
B
can’t
C
needn’t
D
shouldn’t
We were looking for you all this morning. You    office without a word.
#62458
A
mustn’t have left
B
shouldn’t have left
C
couldn’t have left
D
needn’t have left