问题

___ years ago, the population of China was over20 million.

A:Four hundreds
B:Four hundred
C:Four hundredof
D:Four hundredsof

正确答案是：

同类题型

ive in a beautiful village, with many trees andflowers _______ it

I told you the other day that Tom had agreed with your idea, ________?

known to all , bicycles of this kind __________ well here .

Bob: How long have you lived here? Sue: _________

Tom was absent from school today. We guess he.