Can you ________ him ________ first aid correctly?

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________ to his research work, the professor cared little about any other things.

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She was in her bedroom. Suddenly she heard the boy shouting and ________ out as quickly as possible.

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To take a walk after supper seems to me a rule ________.

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The word media basically refers to ________ we commonly call newspapers, magazines, radios and televisions.

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I don't know why you're worrying about it. ________, it's not your business.

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－Your dictionary is missing? Could you have left it in the library?

－Yes, I ________.

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－Can you come for dinner on Saturday or Sunday?

－I'm afraid ________ day is possible.

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Cold tea ________ an excellent drink when it S very hot in summer.

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A war is so cruel that it always causes great losses, ________ has happened in Iraq.

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