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问题: 英语

If we ()we realize the changes the war has made
A look back on
B look back
C look back upon

解答:

If we ()we realize the changes the war has made
A look back on
B look back
C look back upon

选B
look back不及物,AC都是及物的,后面要加宾语,而此处没有。

回顾过去,我们能意识到/认识到/发现战争带来的改变/影响。