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We shouldn't always ask the teachers for help. We should teach ______.

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Mrs. Green, I come to visit Wang Tao. But he is not in. Can I leave a ______ for him?

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Her mother was ill. She had to take ______ of her at home.

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--Must we clean the room now?

--No, you ______.

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SARS ______ easily among people, but we don't have to be afraid of catching it.

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I'm a doctor. It's my duty to ______ the patients.

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______ up, or you'll be late for school.

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Jim's mother is a doctor. She is ______ his patients in the hospital.

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Bill doesn't like watching TV. Jim ______ watching it, too.