题目内容
用括号内所给动词的适当形式填空。
-What are you ________ (do)?
-I ________ (run).
答案:
解析:
解析:
|
doing, am running |
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题目内容
用括号内所给动词的适当形式填空。
-What are you ________ (do)?
-I ________ (run).
|
doing, am running |