Viết lại câu

1. People invented the wheel thousands of years ago.

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2. Are they building a statue of Chu Van An?

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3. Do four busy streets surround the Temple of Literature?

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4. They will not provide pencils at the test, so please bring your own.

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5. Mr. Binh hasn’t taught us since the last semester.

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6. A student teacher is doing that experiment.

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7. Did you buy this dictionary two weeks ago?

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8. Alan’s knowledge about science and technology doesn’t impress me.

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9. They are going to build a new school here next year.

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10. I have used this computer for two years.

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