题目内容
【题目】--- What are you doing, Helen? ( )
--- I_____ e-mail to my pen friend.
A. write anB. writes aC. am writing anD. am writing a
【答案】C
【解析】
略
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题目内容
【题目】--- What are you doing, Helen? ( )
--- I_____ e-mail to my pen friend.
A. write anB. writes aC. am writing anD. am writing a
【答案】C
【解析】
略