Stamps ______ sending letters.
#45020
A
used to
B
are used to
C
are used for
D
are using
推荐题目
The dictionary shouldn’t     from the library.
#44556
A
take away
B
taken away
C
are taken away
D
be taken away
The old men in hospital __________.
#44584
A
take good care of
B
take good care
C
are taken good care
D
are taken good care of
I think teenagers ____________ to choose their own clothes.
#44596
A
be allowing
B
should be allowed
C
be allowed
D
should allowed
The garden _____ while they were away from here.
#44529
A
took good care of
B
was taken good care
C
was taken good care of
D
was taking good care of
The noisy boy ______stand up by a teacher. 
#44682
A
was made
B
was made to
C
made
D
made to