The doctor suggests that I should sleep with the window open （ ）it’s very cold.The doctor suggests that I should sleep with the window open （ ）it’s very cold. A. if B. unless C. when D. since
问题描述：
The doctor suggests that I should sleep with the window open （ ）it’s very cold.
The doctor suggests that I should sleep with the window open （ ）it’s
very cold.
A. if
B. unless
C. when
D. since
答
B除非
医生建议我开窗睡觉,除非天太冷.
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答
B
答
B 除非!
医生建议我睡觉时开着窗户,除非是特别冷. （即：除非特别冷,关着窗户睡,其它时都开着）
A 如果,
C：当
D：既然, 自.开始
只能是B