Bài 1: Chuyển các câu sau sang câu bị động
1, First, turn on the oven to "very hot"
2, Chop up two tomatoes and half a green pepper
3, Mix them together with cheese and herbs in a bowl
4, Next break open four eggs and beat them
5, Add them to the tomatoes and mix well
6, Add salt and pepper to the mixture, too
7, Then rub a shallow dish with butter
8, Pour in the eggs and tomatoes
9, When the oven is hot, put the dish inside
10, Take it out when the omelette is ready
11, We check every car engine thoroughly
12, We export this computer to seventy different countries
13, Someone will blow a whistle if there is an emergency
14, Someone will drive your car to Edinburgh on Tuesday
15, They send million books to America every year
16, Someone checks the water level every week
17, I will give you a new bike next month
18, You should keep the flowers in a warm sunny place