11.Send your questions to Mary Adams,____A___ is the director of Public Relations,for a quick reply.

　　A.who　　B.which　　C.whom　　D.that

　　12.The numbers in the key do not correspond ___B____ those in the lessons.

　　A.for 　　B.to　　 C.on　　D.at

　　13.The trading company ____D___ a big loss raised a claim against the exporter.

　　A.be suffered 　　B.suffered 　　C.to suffer　　D.suffering

　　14.A chart showing all staff positions and responsibilities __A____ prepared by the Vice President.

　　A.was 　　B.has 　　C.were　　D.have

　　15.This year's sales in many companies were lower than ____A___.

　　A.lat year's 　　B.which of last year's 　　C.last year　　D.in last year

　　16.The person to win this year's Business Man is thought to be ___B____.

　　A.his 　　B.he　　 C.them　　D.they

　　17.Our two____D___(Certificated Public Accountants) both asked for leave of absences in June.

　　A.CPAS 　　B.C.P.A.s 　　C.cpas　　D.CPAs

　　18.Were both your ____C___ cars ticketed on the same day?

　　A.sister-in-law's　　 B.sisters'-in-law 　　C.sisters-in-law's　　D.sister's-in-law

　　19.Because____C___ renters demanded our rights,a committee was appointed to study the matter further.

　　A.us 　　B.them　　 C.we　　D.it's

　　20.Salaries for temporary positions seem to be higher than___D____.

　　A.that of permanent 　　B.permanent　　C.that permanent　　D.those for permanent