_________ their final medical check, the astronauts boarded their spacecraft. 
#94285
A
Received
B
Being received
C
To receive
D
Having received
推荐题目
Time ______, we’ll go shopping in that big department store.
#97424
A
permits
B
to permit
C
permitted
D
permitting
I wondered whether the movie was _____ worth _____.
#98304
A
very;seeing
B
well;being seen
C
very;being seen
D
well;seeing
 Greatly moved by what she said, __________.
#93644
A
tears came to my eyes
B
he could hardly hold back his tears
C
my eyes were filled with tears
D
my heart was full of gratefulness