Chuyển các câu sau sang câu bị động:
1 People say that he is heavy drinker 

2 Everybody knows that the government is working on a new tax law

3 People think that Julia was the most reliable person 

4 Everyone believed that Arthur Grim had been born in England 

5 People claim that the book was written by an unknow author

6 Everybody supposes that Tom wrote a letter 

7 People say that we were spending money carelessly 

8 They say that apes are using the tools 

9  People claim that Eddie has recorded a song

10 They suppose Mike was digging the garden 

11 Everybody believes you will answer the question

12 They think I have spoiled the plan

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