Mary has been playing the guitar for two hours.(改为一般疑问句) ---- Mary ----- playing the guitaMary has been playing the guitar for two hours.(改为一般疑问句)---- Mary ----- playing the guita for two hours?
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?
答
答案：【Has ,been】
*O(∩_∩)O *O(∩_∩)O*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O
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*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O*O(∩_∩)O
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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