7、 词形先行词在句中的成分关系代词that which who whom Whose 注意:关系代词充当_____时可以省略Task3:用关系代词填空,充当什么成分,能否省略?1)Aplaneisamachine________canfly.2)Thecar_________myuncleboughtlastweekwasstolen.3)Thestudents_________don’tstudyhardwillnotpasstheexam.4)Thewoman_________yousawintheparkisourEnglishteac