(2008-12-07 13:20)-
______ is known to everybody, the moon travels round the earth once every month. A. It B. As C. That D. What
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lihanhui：我觉得可以(2008-12-07 12:46)
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yumengqi：可以理解为逗号不能连接两个简单句吧(2008-12-07 10:46)
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lihanhui：记住as is known 这是一个固定的用法啦(2008-12-07 10:27)
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ygt2000zjy：选B,翻译成"正如我们所知,月亮每个月绕地球转一圈." 若用A,则因该是 It is known to everybody that the moon travels round the earth once every month. 若用D则是 Wha...(2008-12-07 07:48)
