Chuyển sang câu bị động 4.She cannot see a small object in the far distance.> ……………………………………………… 9) Visitors must leave umbrellas and raincoats in the cloakroom...................................... 10) What language do people speak in this country?............................................................ 12) His wife usually brings him sandwiches at lunch time................................................... 13) We have to pick fruit very early in the morning............................................................. 14)You must wash your hands............................................................................................ 15)How do you spend this amount of money?................................................................... 16)She needs English for her work..................................................................................... 17)The computer can do all the accounts........................................................................... 18)All the tourist guides can speak at least 3 foreign languages........................................ 19)Mr. Nam gives lectures in universities everyday........................................................... 20)How do you make a survey?..........................................................................................