I always sleep with windows open _______ it is too cold outside.
#55291
A
until
B
if
C
that
D
unless
推荐题目
_________ he tried many times, he still didn’t move the big sofa.
#55663
A
So that
B
First of all
C
Even though
D
In the end
I took out my notebook and wrote down my teacher’s new phone number I forgot it.
#55195
A
until
B
before
C
when
D
since
