while you ____to persuade him to give up smoking,a thief came in and took away the wallet
问题描述：
while you ____to persuade him to give up smoking,a thief came in and took away the wallet
A.are trying B.tried C.were trying D.try
答
两个过去同时发生的短句,前面用过去进行时,后面用一般过去时,所以答案是C
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若还有疑惑请及时追问!请问后面那句哪儿是用一般过去时？？一般过去时不是was或were加动词的过去式么came in and took away 这不是动词的过去式表达一般过去时吗你连一般过去时的表达都不知道？was或were加动词过去式？你语文老师教你的差不多，be动词的过去式后面要加也是加动词的过去分词，来表被动语态，时态依然是一般过去时