III. Choose the best option to complete the sentence
1. Let’s ...............to the supermarket to buy some beef
A. go            B. to go        C. going        D. went
2. My brother doesn’t like pork, and I don’t like them, ...............
A. too            B. so            C. either        D. to
3. George, the eldest of four brothers, was brought ……… in London in a Greek shipping family.
A. on            B. down        C.up            D.off
4. "look at that brush " - she said to her mother ."Isn't  it one of .........
A.our's               B.ours'             C.ours               D.our
5. "Tam never helps his friends and poor people". - Yes. He is a __ student 
          A. help.         B. helpful.         C. helplessly     D. helpless
6. Minh stopped at a restaurant __ a soft drink
              A. in            B. for             C. at             D.to
7. " Are you going to take your younger sister to the zoo ? " - " Yes. I  her there next Sunday " 
               A. take         B. taking         C. will take     D. to take
8. Sorry ! I'm not free tonight. I have an __ will my former teacher at 7 o'clock.
             A. opportunity     B. appointment     C. occasion         D.meeting
9. Don't forget __ your hands before meals
          A. to wash         B. wash         C. washing         D. washed
10. Lam eats too much candy __ he often has a toothache
            A. because        B. so             C. but         D. despite
11. My nephew doesn’t like carrots. - __ .
       A. I don’t like to    B. I don’t like neither    C. Neither do I       D. So don’t I
12. You must improve your spelling.
A. make something better                B. become better
C. make something worse                D. become worse
13. Heavy rains __the plane for several hours.
    A. stopped        B. prevented            C. delayed        D. kept
14.  __the time you reached the station, they were playing games.
A. On               B. At                       C. In               D. By
15. What are the__ of the common cold ?
        A. signs        B. symptoms    C. warnings        D. indication 
16.  __we was surprised us.
    A. Which        B. What        C. That            D. Thing
17. All children should play outdoors and develop their __ skills.
A. socialist        B. society        C. sociable            D. social
18. General Vo Nguyen Giap was the__ of the people’s Army of Viet Nam at Dien Bien Phu.
A. Chief-in-Commander    B. General-in-Chief  C. Chief Commander D. Commander-in-Chief
19. She made __ mistakes on her last examination.
        A. a little        B. few        C. little        D. None
20. It is difficult to cross this street bacause there is too much __ .
        A. crowd        B. people              C. traffic     D. transport