单选NO.1 I want to take you _____ lunch at Johnson'sA for B at

单选
NO.1 I want to take you _____ lunch at Johnson's
A for B at c to D with
C 为什么不能选A,for不是表目地的吗?
NO.2 There is no reason why he shouldn't accept it by simply ______"Thank you"
A speech B saying C say D answer
B 我知道不可以选择A,我选的是D,为什么不可以选D,为什么要选带ing的say?
NO.3 Howevr,if a woman is asked to attend a dinner or dance outside ,the invitation itself means "come ____ my guest "
A to B for C like D as
三是选D，为什么要选这个呢？