Revise, part 3

Now turn these sentences from active voice into passive voice.
1. Many people have seen UFOs in the area.
UFOs in the area.
2. Someone has used the computer without permission.
The computer without permission.
3. The teacher asked the students an immensely difficult question in the exam.
An immensely difficult question in the exam.
4. The news surprised us all.
We by the news.
5. You shouldn't throw litter on the ground.
Litter on the ground.
Roskapostituksen esto
Valitse mikä tahansa numero, joka on suurempi kuin 2.

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