1 erases

2 spend

3 was invented

4 did (chắc vậy)

5 believes

6 give

7 think/represent

8 were given

9 saw/ put

10 are advised

11 was broken/ were taken

12 has written (câu này k chắc lắm đâu)

13 shows

14 is comletely changed 

15 speak

16 eats

17 are spoken

18 is caused

19 do they wait

20 orders him to take

1. After class,one of the students always erases the chalkboard.

2. People spend a lot of money on advertising everyday

3. The photograph was invented by Thomas Edison in 1877. 4

4. For the past years, my mother have done all my washing by hand. 

5. No one believes his story.

6. The women in most countries in the world have been given the right to vote. 

7. People (think)think that Jack London’s life and writing’s represent the American love of adventure.

8. How many marks (give)were given to you by the teacher?

9. The detective (see) saw the woman (put) put the jewelry in her bag.

10. Drivers (advise) are advised to use an alternative route by police.

11. The window (break) was broken  and some pictures (take) were taken away by the boys.

12. My father (write) had writen the book many years ago.

13. He (show) shows his ticket to the airline agent.

14. The human life (completely/ change) is comletely changed with science and technology.

15. People speak English all over the world.

16. My brother (eat) eats a loaf of bread every morning.

17. How many languages (speak)are spoken in India?

18. The accident (cause)is caused in this city by some drunk drivers.

19. How long do they (wait) wait for the doctor?

20. The doctor (order)orders   him (take)to take a long rest