hello_jack 幼苗
共回答了20个问题采纳率:90% 举报
1年前
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She was ________ an e-mail from her friend the whole morning, but it didn’t come.
1年前
-Do you know her? -No. Her name rings a bell but I can't remember ________ I heard it before. [ ]
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______分为晶体和非晶体两类,晶体和非晶体的一个重要区别是:______有一定的熔点,而______没有一定的熔点,同一种晶体的熔点和凝固点是______的.
1年前
My family lives in ____ apartment.
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