1D 2C 3D 4D 5B 6A 7B 8A 9B 10B 11C 12D 13C 14B 15C 16D 17B 18C 19C 20C 21B 22B 23mountainously 24B 25D;
(trang sau)21c 22dictionarys 23b 24c 25b 26b 27a 28d 29c 30a
31 You can use this computer, can't you?
32 I wish I could remember the answers to these questions.
33. Nam said he had to go to Ha Noi the following day
34 It takes Nga 4 hours a day to practice English with her friends
35 It is raining heavily so we take our umbrellas.
36. Would you mind if I borrow your car?
37 Tom is always going home late so his mother is very angry
38. It is very necessary for you to practice English everyday
39 Compost can be made from household and garden waste
40. Flight 710 to Chicago will take off in ten minutes.
