Mỗi câu sau chứa một lỗi sai

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

1. Are you do homework right now?

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2. The children play football in the back yard at the moment.

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3. What does your elder sister doing?

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4. Look! Those people are fight with each other.

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5. Noah is tries very hard for the upcoming exam.

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