题目内容
用所给动词的适当形式填空
My father ________(sleep) for two hours. He is too tired. Don't wake him up.
答案:
解析:
解析:
|
has been sleeping |
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题目内容
用所给动词的适当形式填空
My father ________(sleep) for two hours. He is too tired. Don't wake him up.
|
has been sleeping |