Until recently, land in large areas of Stockholm belonged, either to the crown or to the city; there was ________ thing as private (私人的) ownership.

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CCTV is exactly like a window on the world ________ you will sit by it and fix your attention on what it shows.

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Is this hotel ________ you said we were to stay in your letter?

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Last term our maths teacher set so difficult an examination problem ________ none of us worked out.

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—What terrible weather! I simply can't get the lorry ______.

—Why not try ______ the engine with hot water?

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The man had expected to see all his relatives when he was in hospital, but ______ came to see him while many of his neighbors offered their help.

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________ for the doctor's careful treatment, he_______ till last year.

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A．If it is not, can't live

B．Were it not, couldn't live

C．Had it not been, couldn't have lived

D．If they were not, couldn't live

—Why! Where's the key to the classroom?

—My God! You ________ it in the bus!

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    Look! This building is higher than ________of the buildings around.

    Yes, it seems to be higher than ________ I've seen.

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Who did the teacher ________ an article for the wall newspaper?

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