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
After the conversation with the teacher, Jenny’s mother looked a little ________.
#60884
A
happiness
B
happier
C
happy
D
happily
—Sonia, do you think you are different from Linda?—Yes. I'm ______ at drawing than her.
#61324
A
better
B
good
C
well
D
best
With a record of more than 90 goals in 2012, Messi is considered as the_______ football player in the world.
#60878
A
successfully
B
successful
C
most successfully
D
most successful