昨天当我拜访他们时，他们一家人正在吃饭。

　　即时演练1

　　用所给动词的适当形式填空

　　①Land is (be) valuable．Not an inch of land is (be) allowed to waste．

　　②The children are (be) very fond of playing farm games．

　　③Cattle mainly feed (feed) on grass．

　　④The equipment of our factory is (be) all imported from Britain．

　　⑤Each means has (have) been tried to solve the problem, but none is effective．

　　⑥My clothes were (be) bought at a discount of 10%．

语法点二 数量概念词作主语 　　

主语 谓语动词 表示单位数量，指时间、金钱、距离、长度、重量等的复数名词短语用于整体概念 单数 the rest/majority (of)及分数、百分数等 根据所指代或修饰的名词而定 a number of＋可数名词复数 复数 the number of＋可数名词复数 单数 a quantity of/quantities of 根据quantity的形式而定 more than one/many a＋可数名词单数 单数 one of＋可数名词复数 单数 　　Four kilometres is not very far．

　　四公里不算远。

　　The rest of the fresh water has been shipped to the city．

　　剩下的淡水已被送入城中。

　　More than one person is involved in the matter．

　　不止一个人被牵扯到这一事件中。

　　[点津]　(1)"more＋复数名词＋than one"作主语时，谓语动词用复数形式。

　　More children than one are playing in the shade of the tree．

　　不止一个孩子在树阴下玩。

　　(2)在"one of＋复数名词/代词＋定语从句"结构中，定语从句中的谓语动词用复数形式。只有one之前出现the only, the very等修饰语时，定语从句的谓语动词才用单数形式。试比较：

　　He is one of the students who have passed the exam．

　　他是通过这次考试的学生之一。

　　He is the only one of the students who has passed the exam．

　　他是唯一通过这次考试的学生。

　　即时演练2

　　2－1．对比填空(用be动词的适当形式填空)

　　①A number of new houses were built there three years ago．

　　②The number of the students in the class is sixty．

　　③A large quantity of money was spent on the bridge．

　　④Large quantities of oil were spilling into the sea last year．

　　⑤The rest of the lecture is dull．

　　⑥The rest of the bicycles are on sale today．

　　2－2．用所给动词的适当形式填空

⑦(陕西高考改编)It is reported that many a new house is_being_built (build) at present in the disaster area．