I warned him of the slippery road, but he fell on fours ________ I finished my words.[ ]A. asB. befo

题目简介

I warned him of the slippery road, but he fell on fours ________ I finished my words.[ ]A. asB. befo

题目详情

I warned him of the slippery road, but he fell on fours ________ I finished my words.
[     ]
A. as  
B. before
C. until  
D. since
题型:单选题难度:中档来源:同步题

答案

B

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