--Are you satisfied with the air today? --Not at all, it’s so foggy that I often get a cough. I think we all need much ________air to breathe.
#38698
A
worse
B
better
C
worst
D
best
推荐题目
The old man should be treated with         .
#43174
A
kind
B
kindness
C
kindly
D
kinder
Mr. Wu is good ____ math. He teaches _____ math well.
#42923
A
for; our
B
at; our
C
with ;our
D
at ;us
 ---____ will he be back? ---In a week. 
#40668
A
How long
B
How soon
C
How often
D
How many