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1. We go swimming _______ summer.

1. My birthday is _______ Sunday.

1. I get up _______ 6 o'clock.

1. She visits her grandparents _______ the weekend.

1. They play volleyball _______ the beach.

1. School starts _______ September.

1. We watch fireworks _______ New Year's Eve.

1. Birds sing _______ the morning.

1. I do homework _______ the afternoon.

1. He sleeps _______ night.