4. Go to bed by ten o’clock..

3. Do homework by nine o’clock.

　　 (B)1. Don’t arrive late for school.

2. Don’t go outside on school nights.

5.Where can students use their personal computers?

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( B).班有班规,家也有家规.Edward是一五班的学生,聪明又顽皮,他受不了他家的家规,于是写信告诉知心姐姐(Miss Clark)他的烦恼.(20分)

Keys to unit12(B)

4.Do the students have to have their lunch and dinner in the dining room?

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3.　　 Can students leave the school if they are not allowed?

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2.　　 Do students have to wear uniforms?

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