——Who is knocking at the door?——It ______ Mr. Black, because he_______Washington.
#54792
A
can't be;has gone to
B
may be;has been to
C
must’t be;has gone to
D
may be;went
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---------Where is Mr Li? ----------He ___________in the office. I saw him leave just now.
#56292
A
must work
B
can’t be
C
might be
D
must be working
He has lost his pen. He is _______ it everywhere.
#59160
A
looking after
B
looking out
C
look like
D
looking for
---- I would rather _____ hiking than _____ swimming.
#52923
A
to go , to go
B
going, going
C
go ,go
D
go, going