问题
选择题
当老师宣布开始上课时，班长应该说： [ ]
A. Sit down, please.
B. Good morning, teacher.
C. Stand up, please!
D. Thank you, teacher.
答案
答案：C
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当老师宣布开始上课时，班长应该说： [ ]
A. Sit down, please.
B. Good morning, teacher.
C. Stand up, please!
D. Thank you, teacher.
答案：C