The country has already sent up three unmanned spacecraft, the most recent__at the end of last March.
#91050
A
has been launched
B
having been launched
C
being launched
D
to be launched
推荐题目
With the boy_______ the way, we had no difficulty _______the way to the West Lake. 
#91306
A
to lead; found
B
leading; finding
C
led; finding
D
leading; found
Being asked if he could come to the party that night,                .
#91404
A
nobody said anything
B
they didn’t get an answer from him
C
nothing was said by him
D
John nodded his head and left the room
With prices _____ so much, it's hard for the company to plan a budget.
#91665
A
fluctuating
B
waving
C
swinging
D
vibrating