Correct the error in each of the sentences.

1. Have you ever eat Chinese food? 

2. She has moved to another city last year. 

3. They have sent out the invitations yet.

4. Jack hasn't seen Jill since she has graduated. 

5. Mr Brown already left the office.

6. We haven"t been abroad since a year. 

7. The lesson has started ten minutes ago. 

8. Did she just leave?