Mary and I _____ nine A.am B.is C.are

Mary and I _____ nine A.am B.is C.are Four and five _____ nine.A.are B.is C.am Mary and her sister______warking into shop.(a)is(b)are(c)am( 一、单项填空.（ ）1.My brother and I _____ at school.A.am B.is C.are Mary and Kate()good friteds.选a或b或c.a：is（ b：am（c：are They (_____)tender and tasty.A.is B.am C.are.选哪个? My parents and I---------on a camping trip.选A am B is C are "I" _____ a word and a letter.A.are B.make C.is D.be 1.Bother and I _ at home.A.am B.is C.are D.here Yongxian and I ___good friends.A.am B.is C.are you and i good friend A is b are c am Linda and I ____ at home 空格处应选填.A.am B.is C.are