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单选题) I don’t smoke now, but I __for almost ten yearsIt is said that China has been a member of WTO since 11?December?2001.

A、ever smoked

B、have ever smoked

C、had ever smoked

D、was ever smoking

时间：2021-09-01 22:55 关键词：青书学堂河南工业大学土木工程大学英语2

答案解析

B

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