【題目】— _________ do you think he solved the problem in such a short time?

— With Mr. Li’s help.

A. When B. Who

C. How D. Which

【答案】C

【解析】試題分析：句意：-你認為怎樣在這么短的時間解決這個問題？-在李先生的幫助下。When何時；Who誰；How怎樣；Which哪一個。所以選C。

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