She ()an e-mail to her friend in the study.a:writes.b:is wri

问题描述:

She ()an e-mail to her friend in the study.a:writes.b:is writing.c:writing.d:write.
1个回答 分类:英语 2014-11-03

问题解答:

我来补答
:is writing----------正在写
 
 
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