Stamps ______ sending letters.
#45020
A
used to
B
are used to
C
are used for
D
are using
推荐题目
There was a big earthquake in Japan, but luckily many people _________.
#45002
A
save
B
saved
C
are saved
D
were saved
In many places in China, the old over 90 not only by their family but also by the government.
#44960
A
is taking good care
B
are taken good care of
C
is taking good care of
D
are taken good care
Our classroom _____ every day, so it’s very clean.
#44863
A
cleans
B
is cleaning
C
is cleaned
D
cleaned