On his way to school, he got ________.

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Kids who have no idea ________ will pay the price sooner or later.

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A．what being polite means

B．what does being polite mean

C．what means being polite

D．being polite means what

I'd rather have a room of my own, however small it is, than ________ a room with someone else.

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We ________ blood(血) on the news on television, or in full color in newspapers or magazines.

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If we work with a strong will, we can overcome any difficulty, ________ great it is.

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－Hi, Tracy, you look tired.

－I am tired. I ________ the living room all day.

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I was about to tell him the secret ________ someone called me.

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There are 103 elements found in nature, ________ are metals.

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I met an old friend of mine, from ________ I got the news that Mr. Zhang had gone to America.

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－You are so lucky.

－What do you mean ________ saying that?

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