Ex3. Haõy chuyeån caùc caâu sau sang phuû ñònh vaø nghi vaán: 1. They went to Nha Trang last month. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 2. He played table tennis with his father. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 3. Lan saw you in the park last week. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 4. We were in the countryside last summer. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 5. Mrs. Robinson bought a poster. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 6. Liz enjoyed her vacation in Da Lat last year. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 7. Her aunt gave her a new skirt. ------------------------------------------------------------------------------------ ------------------------------------------------------------------------------------ 8. He was in our class two hours ago. ------------------------------------------------------------------------------------ 9. They watched a good footballmatch on TV last night. (-)………………………………………….……………. ……………………..…………………………………? 10. Peter sent that letter to Marry yesterday morning. (-)…………………………………………..……………. ………………………….……………………………? 11. Jane’s mother bought a new car last month. (-)……………………………………….………………. ………………………..………………………………? 12. We visited Halong Bay three years ago. (-)…………………………………………………………. ………………………..……………………………? 13. They left for Hai Phong in 1999. (-)………………………………………………..………. ………………………….……………………………? 14. They built a new school in my village ten month ago. (-)…………………………………………….…………. …………………….…………………………………? 15. I borrowed a lot of book in the library last weekend. (-)………………………………………………………. ………………………………………………………?