The astronauts have to lie ________ the floor of the spaceship to fight against the great pressure during the flight. 
#25490
A
in
B
beyond
C
against
D
at
推荐题目
She is ____________ being pleased about it ; she is very angry.
#26358
A
free from
B
free of
C
out of
D
far from
Her gentle smile at the meeting put everyone ______.
#26606
A
at peace
B
at present
C
at best
D
at ease