No matter how fast we worked, .A. we couldn’t catch up with themB. and we couldn’t catch u

发布时间：2020-08-17 13:15:41

No matter how fast we worked,     .
A. we couldn’t catch up with them
B. and we couldn’t catch up with them
C. so we couldn’t catch up with them
D. but we couldn’t catch up with them

网友回答

A. we couldn’t catch up with them
B. and we couldn’t catch up with them
C. so we couldn’t catch up with them
D. but we couldn’t catch up with them
解析：no matter how 引导让步状语从句,故只可选A,构成主从复合句。  
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