After decades of effort, the city is still trying to _____ how to stop smoking in public places.
#66993
A
try out
B
let out
C
figure out
D
run out
推荐题目
________ I know, light travels not only in a straight line.
#63943
A
So far
B
So many
C
So far as
D
As many as
Go back home now, Mary. Your parents ______ your safety.
#63864
A
are concerned about
B
are concerned with
C
are concerned on
D
concern of
The most important words in this sentence have been _____, so it doesn’t make any sense．
#74758
A
left out
B
held out
C
set out
D
made out
Mr. Read made up his mind to devote all his life to _____ some schools for poor children.
#71861
A
set up
B
have set up
C
setting up
D
having set up
---Many species are now in danger of dying out.----True.Measures should be______to protect them right now.
#76041
A
taken
B
made
C
acted
D
carried