Last night, before the exam, I went over the lessons_______I couldn’t keep my eyes open to stay awake any longer．
#79740
A
before
B
until
C
unless
D
when
推荐题目
_____ the boy is determined to do something , no one can stop him.
#33101
A
Even if
B
Now that
C
Once
D
However
．China is playing an important role in the world. That’s_______Laura has come to study Chinese.
#34794
A
because
B
why
C
how
D
that
Here is a survey about hopes and dreams ______ thousands of students took part.
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A
at which
B
in which
C
with which
D
about which
It was 1995 __________ we began to develop the new computer system.
#30359
A
when
B
which
C
since
D
that