I left my umbrella in my room.Could you wait _____ I go back to get it?[ ]A.when B.if C.while D.befo

题目简介

I left my umbrella in my room.Could you wait _____ I go back to get it?[ ]A.when B.if C.while D.befo

题目详情

I left my umbrella in my room.Could you wait _____ I go back to get it?
[     ]
A.when      
B.if      
C.while      
D.before
题型:单选题难度:中档来源:同步题

答案

C

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