11. Nam is the best student in my class.
→ Nobody .............................................................................................................................?
12. Is it difficult to learn English grammar?
→ Learning .................................................................................................................................?
13. Travelling by car is much faster than travelling by train.
→ Travelling by train isn’t ..........................................................................................................
14. Did your father buy that car last week?
→ Your father ..........................................................................................................................?
15. He hasn’t eaten this kind of food before, has he?
→ This is the …………………………………………………………………………………?
16. Do few students learn Russian nowadays?
→ Few students ........................................................................................................................?
17. Peter’s parents gave him an interesting book on his birthday, didn’t they?
→ Peter ………………………………………………………………………………………?
18. Mobile phone producers began to modernize all smart phones years ago, didn’t they?.
→ Mobile phone producers have …………………………………………………………….?
19. She began doing the exercises an hour ago, didn’t she?
→ The exercises have …………………………………………………………………………?
20. The trip to the countryside interests Liz a lot.
→ Liz is ………………………………………………………………………?
11. Nam is the best student in my class.
→ Nobody is better than Nam in my class.
13. Travelling by car is much faster than travelling by train.
→ Travelling by train isn’t as fast as travelling by car.
14. Did your father buy that car last week?
→ Your father bought that car last week?
15. He hasn’t eaten this kind of food before, has he?
→ This is the first time he has eaten this kind of food.
16. Do few students learn Russian nowadays?
→ Few students learn Russian nowadays, don't they?
17. Peter’s parents gave him an interesting book on his birthday, didn’t they?
→ Peter was given an interesting book on his birthday by peter's parents.
19. She began doing the exercises an hour ago, didn’t she?
→ The exercises have been begun an hour ago by her.