1 viết lại câu không thay đổi nghĩa 1 Do all the washing,please! Let............................. 2 Is this bladder mended by Mr.Green Does Mr.Green....... 3 People think that computer games are harmful It is.................. 4 We didn't see her at all She............... 2 tìm và sửa lỗi sai 1 the armchair is in the living room,among the television and sofa 2 tourists usually have a bus to the countryside 3 he has waited there for a quarter past six 4 Valentina Tereshkova was the first woman exploration who flew into space in 1963 5 he worked in a noisy environment for a long time,because his hearing became worse 6 it is predicted that all student have had e-books by 2050 7 he won the race so he tried his best to run fast 8 we've decided to cancel our picnic because off it's forecast to rani tomorrow 9 reseachers haven't found out what has led in the pollution of river 10 water from power stations may cause water in rivers and lakes hotter 11 surface mail is many cheaper than air mail 12 when she came,I read a novel written by Nguyen Tuan 13 Nicks said that he wants to stay in Viet Nam longer 14 her grandmother is complaining so she's always dumping her school things in the floor 15 it is not easy do that difficult work 16 It's dangerous to drive fastly in busy streets 17 the teacher told us that we would have a lesson in the language lab yesterday 18 radiation may result to childhood cancer 19 my school is going to be rebuild next month 20 they do their best to keeping the family happy