Unit 10: Lifelong learning

PASSIVE VOICE & ACTIVE VOICE

1.This letter ouhgt to be sent before October 30th

=>They ought to send this lettet before October 30th

2.When was this car bought

=>When did they buy this car?

3.People said that he is the best student in our class

=>He was said to be the best student in our class

4.The zoo keepers feed the animals twice a day

=>the animals are fed by the zoo keepers twice a day

5 The use cars and trucks to carry food to market

=>cars and trucks are used to carry food to market

6.why didn't you learn this lesson

=>Why wasn't this lesson learned?

7 They heard the birds singing

=>the birds were heard singing

9.She will be taken to Ha Long Bay next month

=>They will take to Ha Long Bay her next month

10.It was thought that the fire destroyed many houses

=> the fire was thought to have destroyed many houses