______ their return, they were praised a_爱下问搜题

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问题选择题

______ their return, they were praised as national heroes.[ ]

A. At

B. By

C. On

D. With

答案

答案：C

判断题

警察虽然随着国家的产生而产生，但是警察同国家不一样，它不是阶级矛盾不可调和的产物。（）

选择题

Wind power is an ancient source of energy ____ we may return in the near future.[ ]

A. to which

B. by which

C. from which

D. on which