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
Who ________ for the bullet train accident that has happened in Zhejiang,China?
#66119
A
is blaming
B
is to blame
C
has blame
D
is to be blamed
When the New Year comes, children often ________ and get some gifts.
#76229
A
stand up
B
put up
C
dress up
D
set up
Sometimes we should roles so that we can understand each other’s difficulties, thus promoting our cooperation.
#66937
A
occupy
B
imitate
C
assess
D
switch
The Governor demanded that all the proposals _______ on May 1st.
#75536
A
must be submitted
B
be submitted
C
submitted
D
were submitted