Stamps ______ sending letters.
#45020
A
used to
B
are used to
C
are used for
D
are using
推荐题目
He was often seen _________ with charity work last year.
#44620
A
to help
B
helped
C
helping
D
help
The elderly should _________ politely. Also, they must ___________ well.
#44822
A
speak, take care of
B
be spoken, be taken care
C
be spoken to, be looked after
D
be spoken to, be taken care of
—Professor Wang ______ to give us a talk next week.—Really? That’s good news.
#44717
A
will invite
B
is going to invite
C
will be invited
D
has invited