preposition of time

1. I love to go swimming at the beach _____ summer.

2. What time do your children usually go to bed _____ night?

3. Next year, we plan to travel to Taiwan _____ September 

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4. My birthday is next week. I was born _____ October 15th.

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5. My grandfather is very old. He was born _____ 1939.

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6. I am going to meet my friends _____ Friday evening.

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7. Most stores and businesses are closed _____ New Year's Day.

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8. I always get up very early _____ the morning.

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9. My father goes to work _____ weekdays, from Monday to Friday.

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10. After I eat dinner, I like to watch TV _____ the evening.

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