—Someone is knocking at the door. Who ______ it be? —It ______ be Tom. He is still in the school.
#52340
A
may; can’t
B
can; mustn’t
C
might; couldn’t
D
could; may not
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I think my dream can         !
#58928
A
come true
B
comes true
C
coming true
D
to come true
I must return the two books to the library. I _____ them for 20 days.
#59589
A
borrowed
B
kept
C
have kept
D
have borrowed
The fire is dangerous. We should _____________ as quickly as possible.
#52529
A
put out it
B
put it out
C
put it away
D
put it off