Shakespeare is a great writer ________.

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Physics ________ matter and motion.

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Thank you very much. You gave us ________ our factory needed.

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I hurried back to the classroom and found that there were ________ students there waiting for me.

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He is here ________ business not for pleasure.

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I want to live a life free ________ crowds and noise.

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　　What do you think made Mary so upset?

　　________.

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A．As she lost her purse

B．Lost her purse

C．Losing her purse

D．Because of losing her purse

I have two rooms upstairs, ________ has been used for more than a year.

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　　I must apologize for ________ it ahead of time.

　　That's all right.

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The library needs ________, but I won't have it done until tomorrow morning.

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