'in', 'on' and 'at'

Asin's birthday falls ____ 12th March.

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I will see you ___ lunch tomorrow.

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The pupils were all ___ the classroom.

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My father will be ___ home this evening.

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Please be ___ the school hall by 7:15 a.m.

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Najmee is going to Singapore ___ Sunday.

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Lee Ann's uncle lives ___ the island of Langkawi.

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The choral speaking will begin ___ 2:00 p.m.

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My parents usually go for their walk ___ the morning.

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The new school building will be completed ___ the year 2022.

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