He is an hour late by now.He         last night.
#87971
A
must stay up
B
should stay up
C
must have stayed up
D
should have stayed up
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What a pity! Considering his ability and experience, he ______ better.
#87050
A
need have done
B
must have done
C
can have done
D
might have done
My little son _____ out alone at night. 
#88107
A
dares not go
B
dares not to go
C
dare not to go
D
doesn’t dare to go
If you want to borrow a football after school, your student ____ here.
#88148
A
has to leave
B
mustleave
C
has to be left
D
mustbe left