The air in Rizhao is getting much _____ now than a few years ago .
#44490
A
clean
B
cleaner
C
cleanest
D
the cleanest
推荐题目
The jacket is        .
#45789
A
a black
B
black
C
an black
D
the black
Mary is a_____student She studies_________.
#45662
A
good;good
B
good;well
C
welll; good
D
well;well
This kind of flower is ________ than that one.
#45163
A
beautiful
B
more beautiful
C
most beautiful
D
the most beautiful