练一练：

　　Ⅰ. 仔细阅读对话，选择方框内的句子填空格，使对话意思连贯正确。

　　A： 1 ?

      B: I am from Canada. And my name is Alice.

      A: Welcome. Well, 2 . Do you know them?

      B: Oh, no. Can you tell me, please?

      A: OK!

      B: Do we have to wear a uniform every day?

      A: Yes, we do.

      B: 3 ?

      A: No, we can’t. But we can listen to it outside.

      B: Can we watch TV on school nights?

      A: 4 .

      B: Do we have to go to bed by 10:00 at night?

      A: Yes, we must.

      B: Oh I see. Thank you very much.

      A: 5 .

　　Ⅱ. 句型转换，每空一词。

      1. We can’t listen to music in the room. (改为祈使句) ______ ______ to music in the room.

      2. Eat in class, please. (改为否定句) _____ _____ in class, please.

      3. You can practice your piano every day. (改为同义句) _____ _____ your piano every day.

      4. They have to clean the classroom every day. (对划线部分提问) _____ _____ they have to _____ every day?

      5. She has to wash clothes every week. ( 改为一般疑问句) ______ she_____ _____wash her clothes every week?

      6. We must wear uniforms on Monday. (改为同义句) We ____ ____ wear uniforms on Monday.