28. After ________ seemed like hours he came out with a bitter smile. 好像过了几个小时以后，他面带苦笑走了出来。

27. The city is not ________ it used to be. 这个城市不再是先前的模样了。

26. I had driven for ________ seemed as long as three hours when I felt dizzy. 我开车开了似乎两个小时，这时我觉得头晕。

25. In the heat of the argument we mustn't ________ _________ ________ our main purpose. 在辩论得激烈的时候，我们不应忘掉我们的主要目的。

24. You can leave your suitcase here ________ ________ ________ ________. 你可以暂时把衣箱留在这里。

23. Dee’s _________ ________ getting up at 6 and going jogging. 迪伊开始习惯在6点钟起床，然后去慢跑。

22. She ________ ________ her first teaching post in 1950. 1950年，她走上了第一个教学岗位。

21. I’ll ________ ________ the story where you ________ ________. 我将从你停下的地方把这个故事继续讲下去。

5.We walked the ________(长度) of the street.我们从街这头走到那头。

(21)1. A team of nurses ________(帮助) the doctor in performing the operation. 一组护士协助医生施行手术。 2. He asked us to_______(帮助) him in carrying through his plan.他请求我们帮他完成他的计划。

(22)1. The floor_______(需要) washing.这地板该洗了。 2. All passengers _________　　 ________(要求) to show their tickets.所有乘客都必须出示车票。 3.The director _______(要求) that we (should) work all night.主任要求我们通宵工作。

写出更多的类似 require虚拟语气用法的句子：

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3. Size of pension depends on ________(长度)of service with the company.养老金的多少取决於为公司服务年限的长短. 4. ________(最终)the bus arrived, forty minutes late. 公共汽车终於来了, 晚了四十分钟.