词汇选项

Walking，swimming，skating are among the sports that one can enjoy and safely participate ______ throughout life.

A.with

B.from

C.in

D.on

【正确答案】C

【答案解析】四个选项中只有in可与participate连用，意为“参加”，in的宾语是引导定语从句的关系代词that.

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