Unit 21Mad or not?a).driveAeroplanes are slowly driving me mad.He drives his car very badly.The farmer drove the cattle into the field.Our army drove the enemy back.During the war,many people were driven out of their homes.2.Initial n.(词词)首字母首字母 adj.开始的；最初的；字开始的；最初的；字首的首的This is a letter paper with his initials.这是一张有他姓名这是一张有他姓名首字母的信纸。首字母的信纸。The initial reaction has been great.最初的反应极好。最初的反应极好。3.belong vi.应归入；属于应归入；属于What party do you belong to?你属于哪一党派？你属于哪一党派？You and I belong to different politic
