Pollution is a serious problem. Scientists have _____ some good ways to save it.
#54132
A
come up with
B
come on
C
come out
D
come up
推荐题目
All the children will have fun the farmers with the farm work.
#61491
A
helping
B
helps
C
to help
D
help
He used to ____late, but now he is getting used to _______early.
#52847
A
get up, get up
B
getting up , get up
C
get up, getting up
D
getting up , getting up
--- I like the program Man and Nature. --- But I _______Sports News.
#59218
A
want
B
choose
C
prefer
D
miss
Though I _____ the phone number many times, the foreigner still couldn’t write down.
#61941
A
repeated
B
refused
C
researched
D
recognized