The country has already sent up three unmanned spacecraft, the most recent          at the end of last March. 
#97890
A
has been launched
B
having been launched
C
being launched
D
to be launched
推荐题目
.Do you mind me _______ your lecture?
#97670
A
joining
B
attending
C
joining in
D
taking part in
The new couple got ____of the long ______play, and they went out of the theatre.
#95776
A
tired; boring
B
tired; bored
C
tiring; boring
D
tiring; bored