题目内容
用动词的适当形式填空
--Have you finished the report?
--No, I _____ (do) it all this week.
答案:have been doing
解析:
解析:
|
have been doing |
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题目内容
用动词的适当形式填空
--Have you finished the report?
--No, I _____ (do) it all this week.
|
have been doing |