Tờ 1.
1. Your shoes must be taken off.
2. Cirarettes shouldn't be smoked in this room
3. Tom could be seen in the crowd.
4. You might be helped by Eddie if you ask him
5. Some lemonade can be ordered at the bar
6. Our sea has to be protected.
7. The car ought be parked in the right place.
8. English should be speaked in class
9. A dog used to be kept by Mary.
10. Tickets would be bought at this booth.
11. Rooms can be booked in advance.
12. His car may be borrowed for a day.

Tờ 2.
1. The dog will be beated by the old lady.
2. A song will be sung on Christmas Eve.
3. The woman will be given by the man a bunch of beautiful flowers
4. I will be helped by Dad do the homework.
5. The papers will be read by grandpa tonight.
6. The cartoon will be watched by the boy on TV this evening
7. His homework will be done by Tom tomorrow
8. The teacher's question can be answered by Nick