问题
选择题
Sam, _____ in the classroom. It's not polite. [ ]
A. shout
B. doesn't shout
C. don't shout
D. shouts
答案
答案：C
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Sam, _____ in the classroom. It's not polite. [ ]
A. shout
B. doesn't shout
C. don't shout
D. shouts
答案：C