(2013·高考陕西卷)The children________lost in the woods;otherwise,they would have been at the lakeside camp as scheduled.
#62464
A
must have got
B
must get
C
should have got
D
should get
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--- May we leave the classroom now? --- No, you ____________ . You ____________ to leave before the bell rings.
#78161
A
mustn’t, are allowed
B
don’t have to, are allowed
C
needn’t, aren’t allowed
D
can’t, aren’t allowed
Can you imagine that a smart man like him ___________ make such a stupid mistake?
#63324
A
might    
B
should   
C
would
D
need
—I don’t mind telling you what I know. —You _____. I can manage it myself. 
#63188
A
mustn’t
B
ought not to
C
can’t
D
don't have to