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28 tháng 4 2018

I. Find anh correct a mistake in each sentences

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

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

3. A book is being writing -> written by the famous writer

4. They have build -> built a big hospital in the area

5. Do you know how a computer is worked -> works ?

6. We took a -> an hour to finish this work