A：What did you do on your vacation?

　B：I ．I think

　A：I guess/think/believe/

4. 2d. Role-play the conversation.

三、教师精点。

What a great day！这个句子是感叹句，感叹句是表示喜怒哀乐等强烈感情的句子。一般说来，感叹句是由 _______或 _______开头的,其余与陈述句结构相同, 句末用感叹句，朗读时用降调。

(一) 由what引导的感叹句 what修饰名词或名词短语，有以下两种形式： 1. What+ a(an)+（形容词）+单数可数名词+主语+谓语！

　如： What an apple this is! What a fine day it is!

　试着翻译：

　1）这是一朵多么漂亮的花啊。

　2) 这是一本多么有趣的书啊。

2. What+(形容词）+可数名词复数或不可数名词+主语+谓语！

如：What kind women they are! What nice music it is!

试着翻译:

1） 她们是多么可爱的女孩啊！

2) 多好的消息啊！

（二）由How引导的感叹句 how用来修饰形容词、副词或动词。其结构是： 1. How+形容词（副词）+主语+谓语！

如：How hard the worker are working! How clever the girl is! How quickly the boy is writing!

试着翻译:

1) 这个女孩多聪明啊！

2) 这名士兵（soldier）真勇敢！

2. How +adj. + a/an +单数可数名词+主语+谓语。 如：他们抬的箱子多重啊。How heavy a box they are carrying. 试着翻译：这位老人太古怪（strange）了。_____________________________________________. 3. How +副词+主语+谓语。 如：他们工作多认真啊。How carefully they are working. 试着翻译：吉姆跑得多快啊。

4. How +主语+谓语。来如：How times flies. How I wish to travel to Beijing我多想见见我父母啊。

【即时练习】请同学们用what(a/an)或者how(a/an)填空。

1. __________ great fun it is to swim!

2. __________ useful book this is !

3.__________ a fine day it is today !

4. __________hard work it is !

5. __________bad weather it was yesterday!

6. __________hard job this is!

7. __________terrible news we heard last night

8. __________good time we have every weekend!

9. __________long the bridge is!

10. __________ long bridge this is!

11. __________ happy children!