给句子选择正确的答语。

A．We mustn't play with matches.

B．Yes, I do.

C．No, you can't.

D．No, you mustn't. The smoking room is over there. You can smoke there.

E．We must wash hands.
【小题1】What must we do before lunch? （______）
【小题2】What mustn't we do at home? （______）
【小题3】Do you know about fire safety? （______）
【小题4】May I smoke here? （______）
【小题5】Can I throw the stone into the river? （______）

根据实际情况回答问题。
【小题1】What should you do when you cross the road?
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【小题2】Can you cross the road on a yellow light?
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【小题3】Must you go to school on time?
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【小题4】If you see a boy running on the stairs, what will you say to him?
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从方框中选择合适的选项补全对话。
A. Where is the computer room?
B. Is that the computer room?
C. Do you have a computer room?
D. This way, please.
E. How many classrooms are there in your school?
Lucy: Welcome to our school.
John: Oh, it's so big! 【小题1】
Lucy: Twenty.
John: 【小题2】
Lucy: Yes, we do.
John: 【小题3】
Lucy: No, it isn't. It's the teachers' office.
John: 【小题4】
Lucy: It's on the second floor. 【小题5】
John: Thank you.

连词成句。
1. you,   shoes,   going,   are,   sports,   wear,  to (?)
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2. want,   I,   some,   photos,   take,   to (.)
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3. going,   are,   to,   a,   we,   mountain,   climb (.)
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按要求改句子。
1. The students often play volleyball.（用now改为现在进行时）
The students __________ __________ volleyball now.
2. The boys are playing football.（改为一般疑问句）
__________ the boys __________ football?
3. The teachers are playing basketball.（对划线部分提问）
__________ are the teachers __________?
4. Are the girls doing the high jump?（作肯定回答）
__________, they __________.
5. they, watching, are, jump, the, long （连词成句）
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