We should try our best to keep our environment from______.
#92825
A
polluting
B
polluted
C
being polluted
D
having polluted
推荐题目
I always hate________when reviewing lessons and appreciate________alone.
#88499
A
disturbing；staying
B
to disturb；to stay
C
being disturbed；staying
D
to be disturbed：to stay
________ in the mountains for a week, the two students were finally saved by the local police
#98539
A
Having lost
B
Lost
C
Being lost
D
Losing
_______ of water makes Death Valley a desert, but it is by no means devoid.
#98028
A
Lacking
B
Being lack
C
Because of lack
D
Lack
_______ many times , he still couldn’t understand it．
#97295
A
Told
B
Having been told
C
He was told
D
Though he had been told
She pretended ________the letter I wrote the day before yesterday.
#98383
A
not to receive
B
not receiving
C
not to hear from
D
having not received