来源：学生作业帮 编辑：拍题作业网作业帮 分类：英语作业 时间：2024/05/03 23:11:34
求教一道sat语法题~
when the berlin wall,long the symbol of the cold war began to be torn down in 1989,five million of people went to berlin to celebrate that.
a.to celebrate that
b.to celebrate
为什么选b不选a呢?
前面已经提及了,后面就不用再用that指代了
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