题目内容
用所给动词的适当形式填空
I didn't know her address. If I______(know) it, I ______ (send) a letter to her.
答案:had known;would have sent
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题目内容
用所给动词的适当形式填空
I didn't know her address. If I______(know) it, I ______ (send) a letter to her.