若能给我分析一下语法那就更好!--Did you go to Jack's birthday party?

若能给我分析一下语法那就更好!
--Did you go to Jack's birthday party? --No,I___. A.am not invited B.wasn't invited C.haven't invited D.didn't invite
The book Business@the Speed of Thought____in 1999. A.writes B.is written C.wrote D.was written
--The light in the office is still on. --Oh,I forgot___.A.turning it off B.turn it off C.to turn it off D.having turned it off