2016.04海淀区高三年级第二学期期中练英语第二部分：知识运用（共两节，45分）第一节单项填空（共15小题；每小题1分，共15分）21. Myflightwasdelayed,soIreadabooktime.A. killB.killingC.tokillD.havingkilled22. Intheearlydays,BeijingOperaonopen-airstagesorinteahouses.A. performedB.wasperformedC.performsD.isperformed23. Peoplearoundusaffectourthoughtsandbehaviors.A. mustB.canC.shouldD.would24. Sinceitsstart,WeChatintothemostpopularmessagingcommunicationserviceinChina.A.hasdevelopedB.developedC.developsD.wasdeveloping25. ThenumberofH
