You can go out, you promise to be back before 10 o’clock.
#31787
A
unless
B
as long as
C
because
D
since
推荐题目
Lessons can be learned to face the future, ________ history cannot be changed.
#30007
A
though
B
as
C
since
D
unless
The question _______ we can get enough coal for the winter has not been cleared up yet .
#33883
A
that
B
if
C
which
D
whether
There’s no way of knowing why one man makes an important discovery ________ another man, also intelligent, fails.
#31181
A
since
B
if
C
as
D
while
For a person with reading habits, a printed page contains not only words ________ ideas, thoughts and feelings.
#80293
A
yet
B
and
C
or
D
but
____ I can see, there is only one possible way to keep away from danger.
#31197
A
As long as
B
As far as
C
Just as
D
Even if