【題目】Who can tell me the answer _____ this question?

A. on B. to C. for D. in

【答案】B

【解析】句意：誰(shuí)能告訴我這個(gè)問(wèn)題的答案？on在……上面；to到……；for為了，因?yàn)椋?/span>in在……里面。句中answer是一個(gè)名詞，常和介詞to搭配，表示……的答案。故應(yīng)選B。類似的名詞還有key, entrance等。

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