--- ________ have you kept the book ? --- Since last Month. I ________ return it to the library today or I can’t borrow one next time.
#74561
A
How often; must
B
How long; have to
C
How soon; have to
D
When; must
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He______ his work, otherwise, he wouldn’t be enjoying himself by the seaside.
#62448
A
must have completed
B
should have completed
C
ought to complete
D
must complete
—May I take photos in the museum? —No, you . You obey the rules here.
#74471
A
may not; can
B
mustn’t; may
C
can’t; can
D
mustn’t; must
There’s enough time for you to go to the airport. You hurry now.
#74675
A
should
B
needn’t
C
must
D
can