These books should      to the library on time. 
#44981
A
send
B
be returned
C
give back
D
be got back
推荐题目
The dictionary mustn’t ________ from the library.
#44684
A
take away
B
taken away
C
are taken away
D
be taken away
I won’t leave my office until my work _______.
#44474
A
will finish
B
are finished
C
is finished
D
was finished
Annie _______ to the party. She had a wonderful time with us.
#44429
A
invites
B
is invited
C
was invited
D
has invited
This kind of medicine ________in a dry and cool place。
#44678
A
keep
B
kept
C
must keep
D
must be kept