Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.

9. This is the ____________ building I have ever seen in Viet Nam.

A. taller                       B. tall                          C. most tall                  D. tallest

10. Susan doesn’t like playing volleyball, ____________?

A. does Susan             B. does she                  C. doesn’t she             D. do she

11. It is very kind of you ____________ me with my homework.

A. to help                    B. help                         C. helping                    D. to helping

12. Julia has already completed her English courses ____________.

A. successfully                        B. success                    C. successful               D.succeed

13. I promise I ____________ to school on time.

A. am going to                        B. am going                 C. will go                    D. go

14. She walked ten kilometers a day to get ____________ for her family to use.

A. water enough         B. enough water          C. such water              D. too water

15. If we continue littering, the environment ____________ seriously polluted.

A. becomes                 B. will become                        C. became                   D. would become

16. The boy was very hungry, ____________ he ate nothing.

A. so                            B. and                         C. therefore                 D. but

17. Please ____________ the lights. It's very dark.

A. turn on                    B. go on                      C. get on                     D. put on

18. ____________ kilos of apples do you want to buy? - 2 kilos, please.

A. How much             B. How often              C. How many              D. How long