Bài 1:

1. Where was your bike left?

2. Who was the champion defeated by?

(hoặc: By whom was the champion defeated?)

3. What will be repaired this year?

4. How is crab soup cooked?

Bài 2:

1. This new teaching method is believed to be more effective than the old one.

2. Some solutions are expected to be made.

3. Climbing is thought to be a dangerous sport.

4. The towers are rumoured to have been built very long ago.

5. The cat is said to like catching big mice.

6. The soldiers are said to have surrendered to the enemy.

7. The man is known to have put up with his wife too much.

Ex 1: 

1. Where was your bike left? 

2. Who the champion was defeated by ? 

3. What will be repaired this year? 

4. How is the crap soub cooked? 

Ex 2: