7. We should prepare food carefully before turning on the stove.
Food ___________________________________________________________
8. They did the work excellently.
The work _________________________________________________________
9. You mustn’t use this machine after 5.30 pm.
This ______________________________________________________________
10. People say that he is a good teacher.
He is said __________________________________________________________
11. They did the work excellently.
The work _________________________________________________________
12. They began using that computer three months ago.
That computer has___________________________________________________
13. People celebrate Passover in Israel in late March or early April.
Passover ___________________________________________________________
14. The Prime Minister will open three more new schools in the town next autumn.
Three more new schools _____________________________________________
15. Both men and women wear Jeans.
Jeans ___________________________________________________________
16. We must stop their actions.
Their actions _____________________________________________________
cảm ơn 
7. We should prepare food carefully before turning on the stove.
Food ___should be prepared carefully before turning on the stove_________
8. They did the work excellently.
The work ____was done excellently_________
9. You mustn’t use this machine after 5.30 pm.
This _____machine mustn't be used after 5.30pm___________
10. People say that he is a good teacher.
He is said ____to be a good teacher______________________________
11. They did the work excellently.
The work _____was done excellently_______
12. They began using that computer three months ago.
That computer has___been used for three months_____________________
13. People celebrate Passover in Israel in late March or early April.
Passover ______ in Israel is celebrated in late March or early April_______
14. The Prime Minister will open three more new schools in the town next autumn.
Three more new schools ____will be opened in town by the Prime Minister next autumn______________
15. Both men and women wear Jeans.
Jeans ____are worn by both men and women________
16. We must stop their actions.
Their actions _____must be stoped____
7. We should prepare food carefully before turning on the stove.
Food should be prepared carefully before turning on the stove
8. They did the work excellently.
The work was done excellently
9. You mustn’t use this machine after 5.30 pm.
This machine mustn't be used after 5.30 pm
10. People say that he is a good teacher.
He is said to be a good teacher
11. They did the work excellently.
The work was done excellently
12. They began using that computer three months ago.
That computer has been begun for 3 months
13. People celebrate Passover in Israel in late March or early April.
Passover is celebrated in Israel in late March or early April
14. The Prime Minister will open three more new schools in the town next autumn.
Three more new schools will be opened in the town by The Prime Minister next autumn
15. Both men and women wear Jeans.
Jeans is worn both men and women
16. We must stop their actions.
Their actions must be stopped