英语题：are you going there with us? if Mary wants to go,( ）A,i also go B,so do i C,so will i答案是C,但为什么不能用A

请告诉我这几道英语题a:what are you going to _ when you grow _ ?b:i'am going to be _ actor. what _ you?a:i don't know now._ i like playing computer games .maybe i 'm going to be a computer programmer.b:_ sounds great!_ are you going to do th 英语排序题1、We are going to have an outing.2、Miss Li says we are going to the Hongshan Zoo.3、Tomorrow will be 4th of April.4、Good!I like animals very much.5、Great!Where shall we go?6、Yes.What are we going to do tomorrow,do you know? 英语（Are you going to the pet Are you going to th zoo?做肯定回答和否定回答 [英语]是How are you going to do that还是How are you going to do? when are you going? You are going you are going down How are you going Where are you going? When are you going When are you going? what are you going? How are you going you are going to where are you going? ( )are you going? what are you going?