most of them were hearing this story for the first time为什么要用were hearing,这不是过去进行时么

most of them were expensive ones . He wrote a lot of novels, most of _________ were popular. 选什么?He wrote a lot of novels, most of _________ were popular.A. them B. whom D. that D. which答案是D,为什么不选whom? whom Most of them were cheated by those unseen friends. One thousand people were trapped in the damaged building,were saved.A most of them B most of that C most of whom D the most A few people were killed in the fire,but most were saved.这里为什么不用most of them? The citizens,_,welcomed the new legislation.a.most of who were workers b.most of whom were works .c.most of them were workers d.most of which were workers能不能一个一个分析哈啊选哪个 The audience ,__,enjoyed the performance very much.A.most of them were students B.most of which were students C.most of whom being students D.most of whom were students 选哪一个为什么? THe foreign guests,____were govern ment official,were warmly welcomed at the airport.A most of them B most of that C most ofwhom D most ofthose most of them were hearing this story for the first time为什么用hearing They were pretending(假装)to watch TV. ______1______ most of them were half asleep.应该填写but还是and? When we got to the city centre,_____ shops were still open,but most of them were closed. And most of them were busy reading book.这个地方were busy 可以修饰reading book吗?为什么? 选择during the Olympic Games many people served as volunteers,( )were young collegduring the Olympic Games many people served as volunteers,( ) were young college students.most of them?most of which?most of whom?most of what? They were given a lot of information,() was useless.A most of themB most of whichC none of thatD some of them 求翻译,这是初二下学期英语同步导学的一篇拓展文章.谢谢As he watched the cars go by ,he noticed that many of them were new Beta 400s and most of them were yellow .The following week,Mr.Perkin bought a new bright yellow Beta 400. Most of them are sweet. most of them--------young people The citizens,------,welcomed the new legislation 请问A项为什么不对?麻烦加以解释下A,most of who were workersB,most of whom were workersC,most of them were workers