精选优质文档-倾情为你奉上第二部分 英语知识运用(55分).单项选择。(10分)( )1.We often do our outdoor _ at 4:20.A.activity B.actC.activitiesD.active( )2.Wheres Mike?He is working _ physics _ in the classroom.A.in; problemB.out; problemC.in; problemsD.on; problems( )3.Linlin often wears a red skirt. She _ like red very much.A.mustB.canC.wouldD.may( )4.History is a useful subject. We can learn _ the past.A.ofB.aboutC.fromD.at( )5.How many music _ do