Bài tập ngữ pháp tiếng Anh thì quá khứ tiếp diễn

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    1. What __________ when the power went out?

    2. She __________ a book while her brother played outside.

    3. When I saw him, he __________ dinner in the kitchen.

    4. They __________ a movie when the storm started.

    5. Last night 7 p.m, I __________ for my English test.