| 21. | A number of problems have arisen. |
| 已经出现了一些问题。
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| 22. | A large number of books have been stolen from the library. |
| 图书馆遗失了很多书。
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| 23. | The number of books stolen from the library is large. |
| 图书馆遗失的书很多。
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| 24. | The subject of a sentence and its verb must agree in number . |
| 句子的主语和动词的数必须一致。
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| 25. | She was wearing a snappy little red number . |
| 她身着一款时髦的红色连衣裙。
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| 26. | That new Fiat is a fast little number . |
| 那辆新的菲亚特是速度很快的汽车。
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| 27. | She pretends to be friendly but I've got her number ; she just likes to know everything. |
| 她装得挺亲热,可我了解她的底; 她就是什么事都爱打听。
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| 28. | When the wheel came off the car I thought my number was up! |
| 汽车轮一脱落,我就想我算完了！
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| 29. | You can depend on it that she'll always look after number one. |
| 她总是关心自身的利益,对这一点可以打包票。
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| 30. | This company is number one in the oil business. |
| 这家公司在石油业中首屈一指。
|