At night, plants _________carbon dioxide and at the same time _________oxygen. So, we may put some in our bedrooms to purify the air.
#64170
A
take in, give out
B
take up, give off
C
take in, give in
D
take off, give up
推荐题目
He __________ his post because he had been offered a better job.
#65480
A
resigned
B
retired
C
dismissed
D
fired
He ________ as the tallest boy in the crowd, so I spotted him easily.
#73049
A
stood out
B
picked out
C
tried out
D
let out
---Did you go to see he play last night? ---Unluckily, I couldn’t it, But I am going to see it soom.
#77852
A
do
B
manage
C
make
D
take
Since Mo Yan won the Nobel Prize in 2012, his fans have been eagerly waiting for his new novels to ______.
#64150
A
come out
B
turn out
C
bring out
D
go out
—According to my grandma, it is a good idea to eat chicken soup when you have a cold. — , scientists agree with her.
#73322
A
Sooner or later
B
Once in a while
C
To be exact
D
Believe it or not