For and Since Warm-Up Quiz

My grandparents walk ___ twenty minutes a day.

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• since

How long is it ___ you visited your grandparents?

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We have been dating ___ a long time.

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That lady has been waiting for the bus ___ noon.

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I studied for this test ___ three days straight.

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My family has lived here ___ last March.

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She has worked here ___ she finished college.

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I have been calling you ___ half an hour.

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Lisa and Jill have been at the library ___ a long time.

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My teacher has been sick ___ last Monday.

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• since