------ Has the letter to your parents been finished? ------No. I`m writing it. A. posted ——青夏教育精英家教网—

摘要：------ Has the letter to your parents been finished? ------No. I`m writing it. A. posted B. to post C. being posted D. to be posted

网址：http://m.1010jiajiao.com/timu3_id_2466193[举报]

------ Has the letter _____ to your parents been finished?
------No. I`m writing it.
A. posted B. to post C. being posted D. to be posted

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