问题
选择题
______ the window. It's clean. [ ]
A. Not clean
B. Aren't clean
C. Don't clean
D. Clean
答案
答案：C
搜题请搜索小程序“爱下问搜题”
______ the window. It's clean. [ ]
A. Not clean
B. Aren't clean
C. Don't clean
D. Clean
答案：C