1, If the questions were easy , we could answer them.

2, An interesting film is showed ast night.

3, We are interested a lot by the actor.

4, The New Year celebration is considerwd a great holiday by the Vietnamese.

5, The girl is made run away.

1. The questions are diffucult, so we can't answer them.

-> If the questions weren't difficult, we could answer them.

2. They showed an interesting flim last night

-> An interesting was showed last night.

3. The actor interests us a lot

-> We are interested in the actor a lot.

4. The Vietnamese consider the New Year celebration a great holiday

-> The New Year celebration is considered a great holiday by the Vietnamese.

5. They made the girl run away

-> The girl was made run away.