题目内容
【题目】It’s a good idea to send the old books to the children ______need them.
A. which B. who C. what D. where
【答案】B
【解析】句意:把旧书寄给那些需要的孩子是个好主意。A. which“哪一个”;B. who“谁”;C. what“什么”;D. where“哪里”。先行词是the children指人,定语从句用引导词who引导。故选B。
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