题目内容
9.---Why was Professor Johnson unhappy those days?---The only reason was that the theory he stuck to ______ wrong.( )
A. | prove | B. | proving | C. | proved | D. | being proved |
分析 --为什么Johnson教授那些日子不高兴?
--唯一的理由是他坚持的理论证明是错的.
解答 答案:C 考查一般过去时态.he stuck to是定语从句,表语从句中缺少谓语动词,排除B、D项,根据语境,事情发生在过去,要用一般过去时态,排除A项,只有C项正确.
点评 解答此类问题要了解各种时态的用法,然后根据上下文及结合语境给出正确答案.
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