题目内容
根据句意,用所给动词的适当形式填空.
--Lucy! What ________ your father ________ (do) now?
--I think he ________ (cook).
答案:is;doing;is cooking
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题目内容
根据句意,用所给动词的适当形式填空.
--Lucy! What ________ your father ________ (do) now?
--I think he ________ (cook).