It is hard to avoid mistakes. you correct them, it will be all right.
#31938
A
As long as
B
Although
C
In case
D
Even though
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I think you should complain— , of course, you are happy with the way things are.
#33341
A
if
B
unless
C
as
D
because
This summer North China was attacked by such a terrible heat few people has ever experienced before.
#30617
A
that
B
and it was
C
which
D
as
“Will he agree to come to join us in the work?” “No, _______ we promise him more money.”
#34700
A
when
B
unless
C
unless
D
as soon as
It will be another 50 years ______ our country is expected to reach the level of a medium developed country.
#30277
A
since
B
before
C
that
D
when