When asked why he went there,he said he was sent there___for a space flight.
#97883
A
training
B
being trained
C
to have trained
D
to be trained
推荐题目
The ability _______ an idea is as important as the idea itself.
#95430
A
expressing
B
expressed
C
to express
D
to be expressed
_____many times, they succeeded _________ the experiment.
#96579
A
Having tried; in doing
B
Tried; in being done
C
Having tried; to do
D
Tried; doing
Private cars will be required to stay off roads one out of five weekdays ____ the traffic pressure.
#95410
A
to reduce
B
reducing
C
reduced
D
reduce
We should try our best to keep our environment from______.
#92825
A
polluting
B
polluted
C
being polluted
D
having polluted
As we all know, it’s not polite to keep others_________for a long time.
#95523
A
wait
B
waited
C
to wait
D
waiting