．______ the satellite launch drawing near, the research workers put their hearts to the test and always stayed up late.
#33637
A
As
B
Because
C
With
D
While
推荐题目
He was told that it would be at least three months ___ he could recover and return to work.
#79972
A
when
B
before
C
since
D
that
Mr. Li, leader of the team, always think of _______ he can do more for his teammates.
#32037
A
what
B
that
C
how
D
if
--- Tom, wait a minute. --- What for? --- Take an umbrella _____ it rains.
#32881
A
in order that
B
so that
C
in case
D
as if
_____ the car is in good condition ,I don't care about the price.
#80126
A
If only
B
Unless
C
As long as
D
While
____ we get on well with a number of people , we are usually friends with only a very few．
#31752
A
As
B
Once
C
Before
D
While