You ___________ finish the report today. Any time before this weekend is OK.
#75679
A
mustn’t
B
needn’t
C
must
D
need
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She _________play a joke on him in case he becomes angry 
#63247
A
dares not
B
dares not to
C
dare not
D
not dare
 I didn’t know Headmaster Weng was away for Beijing. I       to his office yesterday.
#63308
A
mustn’t have gone
B
needn’t have gone
C
wouldn’t have gone
D
couldn’t have gone