问题
选择题
老师下午上课时说：Good afternoon, class. 学生们应该说______。[ ]
A. Good morning, teacher.
B. Good afternoon, teacher
C. Thank you, teacher
答案
答案：B
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老师下午上课时说：Good afternoon, class. 学生们应该说______。[ ]
A. Good morning, teacher.
B. Good afternoon, teacher
C. Thank you, teacher
答案：B