Daviad ran as fast as he could in order to catch to catch up with others

Daviad ran as fast as he could in order to catch to catch up with others

题目
Daviad ran as fast as he could in order to catch to catch up with others
这是一道选择题,order to catch,还有一个选项是so that he caught,为什么这一项不能选
答案
so that he could catch才对
没有情态动词
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