Find one mistake and correct it in the sentences below

Exercise 2: Find ONE mistake and correct it in the sentences below.
The mai
1. I just have cut my hair.
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2. She hasn't working as a teacher for almost 5 years.
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3. The lesson haven't started yet.
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4. Has the cat eat yet
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5. Has Jack finished the project already?
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6. He has been at his computer for 7 o'clock.
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7. She hasn't received any good news since a long time
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8. My father hasn't played any sport for last year.
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