their final medical check, the astronauts boarded their spacecraft.
#96145
A
Received
B
Being received
C
To receive
D
Having received
推荐题目
Weather _________,the party will be held in the garden.
#94406
A
permitting
B
to permit
C
permitted
D
permit
The witnesses_________ by the police just now described the fight quite differently.
#89642
A
questioned
B
being questioned
C
to be questioned
D
questioning