Giúp mik bài 2 Cảm ơn nhiều

1 This flower is watered by my father every morning.2 Fiona was invented to John’s birthday party last month.3 The dinner is being prepared by her mother in the kitchen.4 Our teeth should be cleaned twice a day.5 The English grammar has been explained by our teacher.6 The accident was caused in this city by some drunk drivers.7 Tom’s parents will be visited next month.8 The secretary wasn’t phoned this morning.9 Was this beautiful dress bought by Mary?10 These old pictures won’t be hung in the living room by me.11 This factory wasn’t built during the Second World War.12 This house and these cars are going to be painted for Christmas day by the Greens.13 The cats had been fed before she went to the cinema.14 The pollution problems have been discussed since last week.