Plants _________carbon dioxide and at the same time _________oxygen. So we may put some in our bedrooms to purify the air.
#65276
A
take in, give out
B
take up, give off
C
take over, give in
D
take off, give up
推荐题目
If you _____ the bottle and cigarettes, you we’ll be much healthier.
#65128
A
take off
B
keep off
C
get off
D
set off
The children do not know how to _______ themselves decently at the party.
#74549
A
act
B
perform
C
behave
D
advance
We _____ know things about each other that we should not know, have no right _____, and have a right, actually, not to know.
#64648
A
increasingly; to know
B
decreasedly; knowing
C
increasingly; know
D
decreasingly; knew
As an official, one should serve the people at any cost _______sitting back to protect the chair．
#64197
A
in term of
B
instead of
C
in need of
D
in favor of