The astronauts found that ______ the spaceship went further and further into space, it became more and more difficult to control its own movements.
#32888
A
if
B
till
C
as
D
while
推荐题目
Although the police thought he was the most likely one, _____ they had no exact proof about it, they could not arrest him.
#32949
A
when
B
until
C
before
D
since
------Have you packed for your adventure holiday? ------Oh, almost, but I still need a flashlight _____I will be able to see in the dark.
#31566
A
because
B
so that
C
even if
D
as
It just isn’t fair. _____ I was working as a waiter last month, my friends were lying on the beach.
#30208
A
Whenever
B
Though
C
For
D
While
I have a tight budget for the trip，so I'm not going to fly ________ the airlines lower ticket prices.(2012·上海，32)
#30443
A
once
B
if
C
after
D
unless