---Why do you keep the windows open on such a cold day? ---There are so many students here, so we want to keep the air nice and __.
#47400
A
cold
B
dry
C
cool
D
clean
推荐题目
If you are careful enough, you will _________ make mistakes in your exams.
#47231
A
mainly
B
seldom
C
usually
D
probably
We felt ________ when Liu Xiang won the first prize again in the race.
#47591
A
brave
B
proud
C
successful
D
worried