问题

pulation mobility and according to ____ nationalpopulation survey of 2004, 17 percent of the population move every year

A:going
B:to go
C:go
D:went

正确答案是：

同类题型

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The 18 college students in Fudan Universityshould show theirgreatest respect to their hero — Zhang Ninghai instead of being cold andunfeeling.

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