The country has already sent up three unmanned spacecraft, the most recent _____ at the end of last March.
#99009
A
has been launched
B
having been launched
C
being launched
D
to be launched
推荐题目
A cool rain was falling, _____________ with snow, causing heavy traffic．
#96890
A
mixing
B
mixed
C
to mix
D
having mixed
China’s economy expanded 8.1 percent in the first quarter from a year earlier,___the slowest pace in almost three years.
#94171
A
marking
B
to mark
C
having marking
D
marked
___ the invention of the steam engine, the industrial revolution played a vital role in human history．
#95687
A
Originating in
B
Originated in
C
To originate in
D
Being originated in
_________ more customers, many companies prefer to spend a lot of money in advertising.
#89703
A
Attract
B
Attracting
C
Attracted
D
To attract