Mary has been playing the guitar for two hours.(改为一般疑问句) ---

问题描述:

Mary has been playing the guitar for two hours.(改为一般疑问句) ---- Mary ----- playing the guita
Mary has been playing the guitar for two hours.(改为一般疑问句)
---- Mary ----- playing the guita for two hours?
1个回答 分类:英语 2014-09-21

问题解答:

我来补答
Mary has been playing the guitar for two hours.(改为一般疑问句)
( Has ) Mary( been ) playing the guita for two hours
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