The field research will take Joan and Paul about five months;it will be a long time_____we meet them again.
#79984
A
after
B
before
C
since
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.
#30957
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