题目内容
用所给动词的适当形式填空
-What ________(be)you ________(do)at this time yesterday?
-I ________(sleep).
答案:were,doing,was sleeping
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题目内容
用所给动词的适当形式填空
-What ________(be)you ________(do)at this time yesterday?
-I ________(sleep).