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
The _________you eat, the _________you will be.
#60729
A
more healthily;more healthily
B
more healthily;healthier
C
healthier; healthier
D
healthier; more healthily
Everyone knows China is getting _______.
#61207
A
strong and strong
B
more strong and strong
C
stronger and stronger
D
strongest and strongest
Which month has ________ days in a year?     February.
#61250
A
few
B
little
C
the fewest
D
the least