若能给我分析一下语法那就更好!

问题描述:

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

1 B
2 D
前两道考查被动语态.
3 C ( forget to do sth ) 忘了关灯