All books must the library on time at the end of term． A．return B．be returned to C——青夏教育精英家教网——

题目内容

All books must _________ the library on time at the end of term．

A．return B．be returned to C．returned to D．be returned

试题答案

1、B

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All books must _________ the library on time at the end of term．

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