－Why do mummies(木乃伊) ________ go bad?

－Because they have chemicals(化学药品) on them. Chemicals can kill germs(微生物).

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Your sister works very hard, and ________.

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There is no bus at this time every night. You ________ walk home.

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________ you help me carry the box to my room? It's too heavy.

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What ________ I do for you, sir?

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________ you pass me a pen, please? I'd like to write down the telephone number.

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－Could I look at your pictures?

－Yes, of course you ________.

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________ Lei Feng is no longer(不再) living his spirit(精神) lives on today.

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My pen-friend phillip ________ to see me from America. He will(将) be here tomorrow.

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Mary is flying to France soon, she can get ________ Paris ________ the morning of July 19.

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