With the word "PM2.5"______ heard and seen in our life, people become more and more concerned about air pollution.
#11882
A
constantly
B
occasionally
C
consequently
D
contemporarily
推荐题目
I cannot _______ that all of the students will enjoy your classes. After all, students’ tastes vary.
#14281
A
appoint
B
subscribe
C
guarantee
D
evaluate
Five apples are not enough for them, they need ____.
#14504
A
three another
B
three other
C
three more
D
three more than
It was very kind of you to do the washing-up, but you _____ it.
#13892
A
needn’t do
B
shouldn’t do
C
mustn’t have done
D
needn’t have done
She _____ the children round him and asked them to listen to her attentively.
#14449
A
gathered
B
collected
C
told
D
drew
Independent innovation has brought us a________in profits,40% higher than in the traditional way.
#10965
A
boom
B
failure
C
decrease
D
suffering