Experts say it is an international trend to __________ MP2.5 to check air quality.
#70448
A
adapt
B
attach
C
adopt
D
adjust
推荐题目
It takes a long time to _____ a good name, but this name is quickly lost by just one piece of bad behavior.
#65016
A
pick up
B
think up
C
build up
D
make up
—Sorry, I have to now. It’s time for class.—OK. I’II call back later.
#66019
A
break up
B
hang up
C
give up
D
hold up
Facing such a man, you have to keep your mind clear, or your will _______.
#73363
A
take in
B
be taken in
C
be taken away
D
taken in
He went on talking while I tried to ______ what it meant.
#72849
A
come out
B
set out
C
take out
D
figure out
Without plenty of oral practice,you’ll find it hard to ______a conversation with native English speakers.
#72782
A
go on
B
carry on
C
carry out
D
work on