選擇方框中的短句補(bǔ)全句子,將字母寫在橫線上
A. to be a good student     B. raise my hand in class
C. clean the classroom      D. happy
E. keep healthy                 F. to behave ourselves
G. run every day               H. tense
I'm supposed to            1          .
The rules make me        2          .
The school rules tell us how        3          .
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