I usually sleep with the window open _____ it’s very cold.
#58323
A
until
B
unless
C
when
D
if
推荐题目
You’ll fail your next English exam _______ you work harder from now on.
#55127
A
if
B
whether
C
until
D
unless
We really enjoyed the school trip yesterday, ________________ it rained in the afternoon and some of us got wet.
#56696
A
though
B
because
C
unless
D
after
Many students didn’t realize the importance of study _______ they left school.
#57914
A
when
B
until
C
after
D
unless
