Air pollution has become__________ than ever before. We must do something to stop it.
#60593
A
serious
B
more serious
C
most serious
D
the most serious
推荐题目
Sally thinks English is         than maths.
#61280
A
easy
B
easier
C
easiest
D
the easiest
I love swimming in summer. Nothing could be_____ than that!
#61581
A
much interesting
B
more interested
C
more interesting
D
much more interested
Of the two pairs of jeans, I chose _____ one because I hadn’t enough money on me.
#61437
A
expensive
B
more expensive
C
the less expensive
D
the most expensive