11. I set the alarm for five o'clock in order to oversleep. 

         A           B                                 C                 D

12. You sent that letter I gave you, haven't you? 

         A     B    C                   D

13. None of your friends really enjoyed themselves at the party, didn't they? 

                             A                     B            C                                       D

14. If you borrow my coat, don't get it dirty, can you?

      A             B                         C                      D

Exercise 7. Mark the letter A, B, C, or D to indicate the correct response to each of the following exchanges.

15. Nam: What do you personally do to keep fit? Lan:  

A. I think keeping fit is necessary for everyone.

B. As far as I know, more and more people exercise to keep fit.

C. Fitness centres are mushrooming .

D. I just do morning exercise and maintain a balanced diet.

16. Lan: Do you think it's important for young people to keep fit? Nam:  

A. Why do they need to keep fit?

B. It's very important for old-aged people to have a healthy lifestyle.

C. I do think so. As the main labour force of the country, they must be strong.

D. It doesn't cost too much to work out in the gym these days.

17. Nam: What is a healthy diet?

Lan:  

A. All people need to eat healthily.

B. Healthy diets are getting more expensive.

C. Fast food is not healthy food.

D. It must be a balanced, nutritious, and healthy diet.

18. Iza: Next week is our mother's birthday. How about giving her a present? Tia:  . What shall we buy for her?

A. I like to go B. I don't agree C. I agree with you D. I'm afraid I can't

19. Tonny : Well Yahya, you have certainly hurt her with your joke. Yahya :  . I know she isn't angry.

A. That’s not true B. Absolutely! C. I agree D. I'm afraid