Which相当于并列句,可以用and this来代替,意为“这一点,这件事’”。 注意:as常用于下列结构:as we know/ as is known to all, as we all can see, as has been said before/above, as might be excepted, as is often the case, 一般不能用which代替as。...
It is reported that China’s courier service will deliver 12 billion packages, which will possibly make China the largest express market in the world, larger than the U. S. 请问:有差别吗?而且我是用最简单的单词和语法写的,你发现没?我要让你们知道,单词...
You are not supposed to smoke on the bus. 你不可以在公共汽车上抽烟。 不定式有时用进行形式或完成形式: She was supposed to be reading at home, but her mother found her in the park. 她本来应该在家里读书的,可是她妈妈却发现她在公园。
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