I always sleep with windows open _______ it is too cold outs

I always sleep with windows open _______ it is too cold outside.
A.until B.if
C.that D.unless
65ng0djkfdkjsng 1年前 已收到1个回答 举报

sthy007 幼苗

共回答了25个问题采纳率:92% 举报

D


1年前

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