问题
选择题
选择填空。
You ______ look out of the window in class. [ ]
A. aren't
B. don't
C. mustn't
D. wouldn't
答案
答案：C
搜题请搜索小程序“爱下问搜题”
选择填空。
You ______ look out of the window in class. [ ]
A. aren't
B. don't
C. mustn't
D. wouldn't
答案：C