Find anh correct a mistake in each sentences: What are you done there ? I'm fixing the bike

I. Find anh correct a mistake in each sentences

1. What are you done there ? I'm fixing the bike

2. What has been doing so far in your school ? a club has been held

3. A book is being writing by the famous writer

4. They have build a big hospital in the area

5. Do you know how a computer is worked ?

6. We took a hour to finish this work

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