按要求变换下列句型。

1. They have ever been to an English-speaking country.　　(一般疑问句) 

______________ they ever ______________ to an English-speaking country .

2. She has been a flight attendant for two years. 　　　　　(对划线部分提问)

_______________________ she ________________ a flight attendant.

3. His father has been to America twice. 　　　　　　　　(对划线部分提问)

_______________________ has his father __________________ to America?

4. Linda is taller than any other girl in her class. ( 同义句)

Linda is __________________________ girl in her class.

5. improve , why , you , do , English , want , to , your  (连词成句)

______________________________________________________________?

1.. He is the tallest in our class. He is taller than the r_______of the students.

2. The river is three meters d____________. It’s dangerous to swim in it.

3. The land is c_______ with white snow now.

4. If someone o      me cigarettes, I’d tell him that smoking is bad for our health.

5. He was too poor to afford his education. I wanted to give him some, but he r         .

6.What would you do if you injured your             （膝盖）？

7. He was so careless that he ________（受伤）in the accident.

8. There are many book             (架子) in the library.

9. I think a good             (听者) won’t annoy others.

10.She is very               (知识丰富的) about art.

11.My teacher will become angry if I ______（be） late for class.

12. What would you do if a friend      (say) something bad about you?

13.If I_________（be）you, I’d wear s shirt and tie.

14. Kate is shy. She feels nervous _______（talk）in front of people.

15..He_________（tell）not to play computer games just now.