问题

_______is known to all ,the Diaoyu Islands have been part of Chinese territory since ancient times.

A:It
B:That
C:This
D:As

正确答案是：

同类题型

But for the snow, we earlier.

This exam is very difficultMany students are concerned ______ the results[ ]

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______with many other jobs，teachers have a relatively stable (稳定的) income.

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