Stamps ______ sending letters.
#45020
A
used to
B
are used to
C
are used for
D
are using
推荐题目
—What a nice classroom! —It _____ every day.
#44598
A
is cleaning
B
has cleaned
C
must clean
D
is cleaned
The game __________ by all the students.
#44707
A
enjoys
B
enjoyed
C
enjoying
D
is enjoyed
It is reported that more schools        in Nanjing next year.
#44666
A
will be built
B
were built
C
have built
D
will build
The number of children who have lost parents to AIDS ___ to rise to over 26 million in 2011.
#44755
A
are expected
B
is expecting
C
are expecting
D
is expected