4、__fromthecountrysideinourschool.A.wasB.wereC.isD.are2.表示“时间、重量、长度、价值”等的名词的复数作主语时,谓语动词通常用单数形式,这是由于作主语的名词在概念上是一个整体,如:Thirtyminutesisenoughfortheworka.Twentymiles_____alongwaytocover.A.seemtobeB.isC.areD.wereb.Tenthousanddollars_____quitealargesum.A.are B.is C.were D