II: 1/ Interesting 2/ collector 3/ musical 4/ more 5/ less 6/ collection 7/ more expensive 8/ invition 9/ mechanic 10/ relaxing 11/ colorful 12/ interested in III: 1/ Lan's school has a big library 2/ Lan is very good at Math 3/ What's your favorite subject? 4/ What abour going swimming? 5/ What a delicious birthday cake! 6/ What is her date of birth? 7/ Lan works fewer hours than Nam 8/ Nile river is the longest river in the world. 9/ There are five thoundsand books in the school library. 10/ There are many interesting place in Ha Noi. 11/ My younger sister has more toys than me. 12/ Lam has a ten-day off for this summer vacation. 13/ It take me ten minutes to walk to school. 14/ I spend two hours each day to do my homework. 15/ Are you like listening to music? 16/ Mai's brother drink less milk than her. 17/ The red dress is expensive than the blue one. 18/ Watching TV is more interesting than reading. 1/ Mr Hai usually has stomach problems so he eats dinner very close to the bed time. 2/ My dad has a lot of carved eggs but he has never sold any of them. 3/ You will get a breathing problem or clean your bedroom regularly 1/ It will be a good idea to eat different kind of fruit and vegetables everyday. 2/ My brother does not like ice-skating because he thinks it is dangerous IV: 1/ C 2/ B 3/ B 4/ B 5/ A 6/ D 7/ A 8/ A 9/ D Xin hay nhất nha :3 Mình dành cả 20' ra để làm á hjc