7. Mỗi câu sau chứa một lỗi sai. Tìm và sửa chúng.

1. I haven’t cutted my hair since last June.

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2. She has not 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. I am worried that I hasn’t still finished my homework yet.

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6. I have just decided to start working next week.

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7. He has been at his computer since seven hours.

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8. She hasn’t received any good news since a long time.

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9.My father hasn’t played any sport for last year.

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10. I’d better have a shower. I hasn’t had one since Thursday.

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