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New words
1. quiet ['kwa??t] Be quiet
2. bring… to…
3. uniform['ju?n?f??(r)m]
4. music players
合作学习：
Let’s use “have to ”.
wear uniforms
do... homework
A:Do you have to...?
B:Yes,...do.
No,...don’t.
I (don’t) have to ...
Pair work
be quiet in class
bring music players to school
四人一组对话
Group work
1.Complete these conversitions
2.Exercises
Practice makes perfect.熟能生巧 练！练！练！
1. ——她必须在图书室里保持安静吗?
——是的。
— she quiet in the library?
—Yes, she .
答案: Does; have to be; does
2. ——我们能在走廊里听音乐吗?
——不, 不能。
— we music in the hallways?