Gramma – Thì quá khứ đơn và qáu khứ tiếp diễn đi với “when” và “while”

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At this time last night, we ______ cards.

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________ at this time yesterday?

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What ____ last Sunday?  - She ____to the hospital to donate blood.

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At 10 p.m two days ago, my friends ______ a birthday party for me.

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While he ____ in the forest, he _____ a woodcutter.

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When you _____ me yesterday, I _____ breakfast.

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At 10p.m yesterday, I _____book while my sister ______ a picture.

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When they _____  TV, the electricity _____  out.

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When I ______  the street, I _______ an accident.