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So there appeared the first postage stamp in 1840.(保持原句意思) So___ ___ ___ ___ ___ in 1840.
the first postage stamp appeared...
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把下列句子改成被动语态 这是富有情态动词的被动 明天就用 .急
The kids should be taught to swimThe room need be cleaned by yourself.The work should be finished by us today.You bike should be repaired by you first.I don't think aliens can be found in space.Coul...
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.Is this _____that you saw in the street yesterday?
选择B the man 表示特指.因为后面说了昨天你在街上看到的那个人.one表示泛指....
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分析一下这个句子中的as用法
我很快就知道,他自己就是个英国人! as在此处相当于一个连词,它的意思表示“正如……的”在语法上它相当于动词learnt的一个宾语.以下是这种用法的例句： As we all ko...
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