21. Hoa likes music. She often ______ to music in late evenings. A. listen B. listening C. listens D. to listens 22. I enjoy ______ baminton after school. A. doing B. playing C. seeing D. going 23. Ann has a large ______ of stamps. A. collect B. collection C. collecting D. collections 24. How ______ you go to the library after school? A. often B. much C. many D. usually 25. My sister usually goes to the library with me. She likes______ comic books very much. A. read B. reading C. to read D. reads 26. In big cities, there are many kinds of _____ for young people. A. entertain B. entertains C. entertainment D. entertaining 27. What _____ does Minh like playing in his free time? A. activities B. sports C. things D. subjects 28. He goes swimming when he ______ free time. A. have B. is having C. has D. will have 29. My uncle likes ______ the vegetables we grow ourselves. A. to eat B. eat C. eats D. eating 30. My close friend draws very well. She will be a______ artist one day. A. fame B. famous C. famously D. famed 31. We ________ swimming because its fun and good exercise. A. like B. are liking C. will like D. liked 32. My grandparents dont like ________ in the city because its noisy and crowded. A. live B. lived C. living D. to living 33. Fire needs oxygen to burn. It ________ without oxygen. A. burn B. burns C. dont burn D. doesnt burn 34. How much time do you spend ________ the Internet per day? A. surf B. to surf C. surfing D. to be surfing 35.I dont mind ________ a DVD, but I prefer ________ to the cinema. A. to watch - to go B. watching go C. to watch going D. watching to go giải thích hooj em với