My sister doesn't like bread. She won't eat it _____she is very hungry. [ ]A. if B. when C

题目简介

My sister doesn't like bread. She won't eat it _____she is very hungry. [ ]A. if B. when C

题目详情

My sister doesn't like bread. She won't eat it _____ she is very hungry.            
[     ]
A. if      
B. when    
C. as      
D. unless
题型:单选题难度:中档来源:期中题

答案

D

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