My sister isn't in. _______ she comes back, I'll let her call you back. [ ]A. While B. Un

题目简介

My sister isn't in. _______ she comes back, I'll let her call you back. [ ]A. While B. Un

题目详情

My sister isn't in. _______ she comes back, I'll let her call you back.  
[     ]
A. While
B. Until
C. Before
D. When
题型:单选题难度:偏易来源:广西自治区中考真题

答案

D

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