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
推荐题目
The professor had no sooner finished his speech ________ the students started cheering.
#29967
A
since
B
when
C
than
D
as
A lot of people don’t learn from their mistakes ______ they get hurt.
#31476
A
whether
B
when
C
if
D
unless
________ I meet him, I always think of the things which happened between us.
#33603
A
Every time
B
For the time
C
The night
D
At no time
____ regular exercise is very important, it’s never a good idea to exercise too close to bedtime.
#30024
A
It
B
As
C
Although
D
Unless