They gave him a nice present when he retired.
-> ________________________________________________________________.
Đáp án: A nice present was given to him when he retired.
He opened the boxes and took out a cigarette.
-> ________________________________________________________________.
We have learnt English for five years.
-> ________________________________________________________________.
They built this house in 1995.
-> ________________________________________________________________.
You must answer all the questions on the paper.
-> ________________________________________________________________.
Someone is singing an English song.
-> ________________________________________________________________.
Do people speak English all over the world?
-> ________________________________________________________________.
Turn these following sentences into the passive voice.
I finished my work at about five o'clock.
-> ________________________________________________________________.
We use this book in our class.
-> ________________________________________________________________.
Somebody planted this tree last month.
-> ________________________________________________________________.