it come and see upstairs用所给词的适当形式组成句子（是疑问句）快!

Come and see it.中,为什么? come upstairs and see it 为什么不能用`come downstairs and see it come upstairs and see it 与come upstairs to see it 那句对 come upstairs and see me为什么不能用come upstairs to see it come upstairs and see it的反意疑问句 come upstairs and see it 为什么用and 不用to可是书上说不能用 come upstairs to see it ... Come and see. ( )A:Tom!B:Yes?A:____ B:Yes.A:Come to see it B:Coming and see C:Comes to see it D:Come and see i Come and see this machine .It will help you see the houses of the future Come and see you,ok. Come and see for yourselt. Come upstairs and see it把And换成To讲得通吗 Come upstairs and see it.这里为什么不能把and替换为to? come upstairs and see it为什么and不能换成tocome upstairs and see it这句话中的and为什么不能换成to请详细说明 come upstairs and see it 为什么用and 不用to 书上说不能用to 为什么?come and see this goldfishcome and buy yourself a new pair of shoeswait and see那什么时候用to 什么时候用and? Open it and see! 为什么come upstairs and see it 在英语中不能用come upstairs to see it.求详解.讲讲语法吧, 用所给词的适当形式组成句子 it come and see upstairs