3. Jack has already done his homework.(改为一般疑问句)

 Jack his homework ?

• 
  

2. I think it is an interesting book.(改为否定句)

I think it an interesting book.

1. I am going shopping with tny best friends.(对画线部分提问)

   you with your best friends?

5. When Mr Green saw the (特别的) sights,he was very happy.

4. I hear my father will take me to the Summer Palace. Im very (兴奋的) .

3. Sandy likes (旅行). She seldom stays at home during holidays.

2. We’re going to play football. Could you (加入) US?

1. —Do you know the (首都) of Australia? —I don't know.

知识点二 join 与 take part hi join和take part in都有“参加”的意思。其区别是:join多指参加某个组织，成为其中一 名成员，常用短语有join in (join sb. in doing sth.) 指参加某项活动，多指正在进行的活 动；take part in指参加活动或在活动中负有责任。

() 2.(单项选择) A lot of students the Reading Club last term.

   A. joined   B. has joined    C. took part in   D. joined in

I don't think it’ll be a holiday for me.我想对我而言这不会是什么假期了。当主句中含有I think,I believe等词语时，常用否定前移，主句中的否定词实际上所否 定的是从句的内容，是表示个人观点的一种委婉的说法

1.(翻译)我认为今天不会下雨。

I  today.