问题

I believe that the 21st century is one ______ China will become one of the most powerful economic countries.

A:which
B:that
C:when
D:where

正确答案是：

同类题型

28. I don’t think you’ve quite___the seriousness of the situation. You seem to know nothing about it.

Yesterday ___1-year-old baby fell into the river. ___ baby was saved by ____policeman.

You should be.Youmustn’t take any unnecessary risks until you are quite sure.

The result of the football match, ______ the delight of us all, was 2 -1 ______ our favor

___________, he would have been fired.