【題目】---Do you know how this disabled man succeeded in running such a big company?

--- I don’t know , but I think he __________ many difficulties.

A. could have gone through B. must have gone through

C. might go through D. need go through

【答案】B

【解析】

試題分析：句意：你知道這個殘疾人是如何成功地經(jīng)營這么大的一家公司嗎？我不知道，但是我想他肯定經(jīng)歷過許多困難。could have done sth.本可以做某事；可能已經(jīng)做了某事 must have done sth. 一定做過某事. 分析語境可知 go through difficulty 發(fā)生在過去，語境表示對過去情況的一種肯定的猜測，故用must have done結(jié)構(gòu)。故選B。

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