In - On - At: giới từ chỉ thời gian

It gets very cold ___ winter.

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Betty doesn't have a job ___ the moment.

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The telephone and the doorbell rang ___ the same time.

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He flew from Japan. He's probably in Ha noi .........the moment.

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Would you like to go out to dinner ___ Friday night?

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Goodbye! I'll see you ___ the morning.

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*I'll see you ___ two weeks time.*

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She was born ___ 1961.

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The doctor will see you ___ 10:00.

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___ the age of ten I wanted to be a firefighter.

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