15.Not only my brother but also I ----- good at painting.Bot

15.Not only my brother but also I _____ good at painting.Both of us ____ good painters.A.are; are B.am; are C.is;is16.Bread and butter ____ the everyday food in the west.A.is B.are C.were17.Mary and LIly ___ going to visit the Palace Museum tomorrow.A.is B.are C.be18.Each student and each teacher ____ to see the film,although the ticket price is high.A.go B.wish C.wants19.Not only his parents but also his grandfather ______ to a lot of places of interest in our country since they came here.A.has been B.have been C.have gone21.Everyone except Rom and John ____ there when the meeting began.A.is B.was C.were23.Lily and I ____ classmates in the middle school and we _____ workmates now.A.are;are B.were;are C.were;were