若能给我分析一下语法那就更好!
--DidyougotoJack'sbirthdayparty? --No,I___. A.amnotinvited B.wasn'tinvitedC.haven'tinvitedD.didn'tinvite
ThebookBusiness@theSpeedofThought____in1999. A.writes B.iswritten C.wrote D.waswritten
--Thelightintheofficeisstillon. --Oh,Iforgot___.A.turningitoff B.turnitoff C.toturnitoff D.havingturneditoff