You can't catch up with others ______ you work very hard. [ ]A. until B. after C. unless D. whe

题目简介

You can't catch up with others ______ you work very hard. [ ]A. until B. after C. unless D. whe

题目详情

You can't catch up with others ______ you work very hard.
[     ]
A. until
B. after
C. unless
D. when
题型:单选题难度:中档来源:河南省模拟题

答案

C

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