Choose the best answer to complete the sentences: .... pen is this?

Bài 1: Choose the best answer to complete the sentences
1. "............do you visit your hometown?"        - Every two months
            A. How long                B. How often              C. How far                D. How much
2. .............pen is this?
            A. Who                     B. Whom                    C. Whose                   D. Which
3. ............I don't like vegetables , I eat them every day
             A. Despite                    B. Beacause                   C. So                   D. Even though
4. All of us ..............at home yesterday morning 
             A. was                 B. did                C. are                D. were
5. It............2 months since he last met me
             A. was                  B. is                   C. had been                   D. will be
6. My sister has been busy ............ all afternoons
             A. cook                  B. cooking                  C. to cook                    D. cooks
7. They have bought a............. flat in Ha Noi
              A. three floors                    B. three- floors                 C. three- floor               D. three- flooring
8. Nobody ....... what her name is 
               A. knows                    B. know                   C. knowing                   D. known
9. One of the bad things about water pollution ............ it can make fish die 
             A. are that                   B. is that                C. were that                D. be that
10. He will not pass the exam .......... he works hard
             A. If                B. or                  C. when                 D. Unless 
11. Your house looks brigh...........you........it?
          A. Do........paint?                   B. Will...... paint?                 C. Did..........paint?                 D. Have.......... painted?
12. He is ....... on swimming 
         A. keen            B. interested                C. fond             D. bored
13. Lan....... home for school yet 
                A. Didn't leave                   B. hasn't left                  C. won't leave                    D. doesn't
14. We have known her......... we moved here
                 A. when         B. since              C. if                D. Unless
15. She lives in a ........... area 
                  A. mountain               B. mountaining                 C. mountainous                 D. mountains
16. The noise woke me ........ last night
          A. up           B. for             C. on             D. to
17. He coudn't read and read and write ............. he was 7 years old
                  A. when             B. since                C. in           D. until
18.Thanks a lot for the lovely dinner
         A. Thank you, too            B.So I am               C.You're welcome
19. Air pollution can..............breathing problems for some people
                 A. cause                   B. make               C. do                D. feel
20. ...............! Can you tell me the way to the food shop?
             A. I am sorry                  B. All right                   C. Listen               D. Excuse me