To prevent the air ___ ,something will have to ___.
#83446
A
to pollute…take
B
from being polluted ..be done
C
to be polluted…be taken
D
from polluted… be done
推荐题目
There is no point _________with him.
#75506
A
in quarrelling
B
to quarrel
C
of quarrelling
D
on quarrelling
It is dark outside, so please____ your step while going down the stairs.
#75954
A
see
B
look
C
notice
D
mind
He started to study ecology and decided to _______his whole life to the science.
#71844
A
ignore
B
devote
C
prefer
D
lead
Jenny is quite good at taking notes. She can _______ almost every word her teachers say in class.
#64560
A
set about
B
set aside
C
set down
D
set out
The possibility of a way out of the difficulty never _____ to the captain and his crew.
#75141
A
happened
B
occurred
C
appeared
D
flashed