C．Masters D．Tasks

　　10．A.simple B．unique

　　C．fun D．clever

　　11．A.assessments B．comments

　　C．instructions D．updates

　　12．A.graduation B．retirement

　　C．seporation D．resignation

　　13．A.daring B．modest

　　C．caring D．smart

　　14．A.wait B．sleep

　　C．study D．live

　　15．A.paid B．charged

　　C．lent D．owed

　　16．A.observing B．preparing

　　C．designing D．conducting

　　17．A.regretted B．avoided

　　C．excused D．ignored

　　18．A.opened B．packed

　　C．gave D．held

　　19．A.picture B．bill

　　C．note D．diary

20．A.chose B．took