I like sleeping with the window open ______ it's very cold.[ ]A. ifB. whenC. untilD. unless-八年级

题目简介

I like sleeping with the window open ______ it's very cold.[ ]A. ifB. whenC. untilD. unless-八年级

题目详情

I like sleeping with the window open ______ it's very cold.
[     ]
A. if    
B. when    
C. until    
D. unless
题型:单选题难度:中档来源:同步题

答案

D

更多内容推荐