6. Hoa’s ____ starts in June. A. Tet holiday B. Christmas C. vacation D. summer vacation 7. Tim doesn’t have a Tet holiday, but Ba___ A. is B. does C. do D. are 8. King Hung’s Day is a ___ day in Vietnam. A. common B. weekend C. public D. private 9. In the afternoon, the chickens produce ___eggs than in the morning. A. few B. fewer C. little D. less 10. When we have more cows, we’ll have ____ milk. A. more B. much C. many D. lots of 11. Class _______ at 8:30 and _______ at 3:30 or 4:00 every week. A. start/ends B. starts / ends C. ends / starts D. starts / end 12. He looks different ______ his father. A. at B. with C. from D. of 13. Ba is _______ to music at the moment. A. listening B. listened C. to listen D. listens 14. In_______, we study the world events. A. English B. History C. Computer Science D. Math 15. Hoa will see her parents ______their farm. A. on B. at C. in D. for 16. Hoa will see her friends ______at the airport. A. on B. in C. at D. off 17. Hoa likes to help her parents ______ the farm work. A. for B. with C. of D. to 18. Farmers have to work ______ all day and night long. A. hard B. hardly C. harder D. hardest 19. Hoa’s friend is very interested ___writing letters. A. to B. of C. in D. at 20. The ______ vacation is in summer A. long B. longer C. longest D. most long