Compass and powder ________ Chinese great inventions. They ________ centuries ago.

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________ I got up, my father had gone to work.

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________ will you deal with the food?

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He ________ all the friends to tell them he began to use a new telephone number.

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Suddenly I ________ a good idea to solve the problem.

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Never ________ that you were here, too.

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The building is a house ________ these old people. They are well taken care of here.

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This story happened in the small mountain village ________ we spent our holiday last year.

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-- I' m tired of sitting before the computer all day long.

-- Why not consider ________ a rest every two hours.

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-- Who cleaned the room yesterday?

--I ________ .

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