摘要：( ) These books should to the library. A. send B. be returned C. give back D. be got back
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These books should _________ to the library on time．
[ ]
A．
send
B．
be returned
C．
give back
D．
be got back
These books should ________ to the library on time.
[ ]
A．send
B．be returned
C．give back
D．be got back
These books should ________ to the library on time. ( )
A．send
B．be returned
C．give back
D．be got back
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