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
They are talking so warmly and it looks ___ they had been old friends.
#33980
A
even if
B
if
C
as though
D
as
--- This is the same watch ______ I left on the playground yesterday. --- How can it be possible? I bought _____ the other day.
#30876
A
that; one
B
that; it
C
as; one
D
as; that
This is a picture of Dr. Yuan, a scientist ____ is well known in our country.
#33981
A
which
B
who
C
whom
D
whose
---May I go and play with Tom this afternoon, mum? ---No．You can’t go out ______ your homework is being done．
#33631
A
until
B
after
C
before
D
as