．______ 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 always brings me a pretty gift _______ he comes to visit me.
#31897
A
by the time
B
every time
C
sometimes
D
at times
(2013·天津12区二模)He never thought that his success came ________ he least wanted it.
#30551
A
until
B
since
C
when
D
while
_______ you start eating in a healthier way, weight control will become much easier.
#30001
A
Unless
B
Although
C
Before
D
Once
The government should protect the old valuable buildings_______ they are not in harmony with the modern ones nearby.
#34804
A
even though
B
as if
C
so that
D
now that
Cherry was afraid she wouldn’t fit in at her new school, ______ she made friends quickly.
#31210
A
for
B
so
C
and
D
but