1. People (think) …………………………………….. the world was flat.
2. John (take) ………………...............……. a shower every morning before he goes to work.
3. Hai doesn’t smoke any more but he (smoke) …………….20 cigarettes a day.
4. Her baby girl doesn’t cry so much now but she (cry) ……………… every night.
5. She (live) …………......……….. in Seoul, but now she lives in New York.
6. Janet (work) …………………….. for the telephone company, but now she has a job at the bank.
7. I (play) ……………………….. the violin quite well when I was younger.
8. Nam (eat) ………………………….. American food now
9. Now there is only one cinema in the town but there (be) ……………… five.
10. When I was younger, I (walk) ………………………... a long distance to school.

mẹ còn lại số quả táo là:

     30-15=15 (quả táo)

            đáp số:15 quả táo