4. 他越过别人的盘子取东西是不礼貌的。

It is others’ plates for something.

3. 王老师仔细倾听我们的问题，他很耐心。

It's Mr. Wang our problems.

2. 对他而言，回答这样一个问题是容易的。

It's .

1. 对我们来说，在北京观看奥运会是非常令人兴奋的。

It was very the Olympic Games in Beijing.

5. Kitty is clever to work out all the maths problems.(改为同义句) 

It   to work out all the maths problems.

4. You are kind to tell me the news.(改为同义句) 

It   you to tell me the news.

3. It's necessary that we read English every day.(改为同义句) 

It's   read English every day.

三、连词成句(用It is+ adj.+of sb.+to-infinitive句型)

1. Jill / kind / help me with my English homework

2. Andy / careless / forget his mum's birthday 

3. you / wrong ] walk on the grass

4. the young man / brave / save a boy from the river

5. Kitty / generous / buy nice presents for her friends

二、从方框中选择适当的结构完成句子

  easy for her   wonderful for me    dangerous for tourists 

  meaningful for us   impossible for such a young kid   necessary for you

1. It is to give our old books to the children in poor areas.

2. It is to help and support each other.

3. It was to dress himself.

4. It was to spend the weekend in this seaside town.

6. It is to go to that area without a guide.

—、连词成句(用It is+ adj.+to-infinitive句型)

1. swim around / the goldfish / watch / interesting

4. queue / polite / in public

3. such / attend / important / a yearly meeting

4. on your own / possible / the history project / finish

5. like London / expensive / a big city / live in