问题
选择题
— 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 _____. [ ]
A. cold
B. dry
C. cool
D. clean
答案
答案：D
搜题请搜索小程序“爱下问搜题”
— 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 _____. [ ]
A. cold
B. dry
C. cool
D. clean
答案：D