this.doing.is.you.可以组成怎样的一个句子?

this.doing.is.you.可以组成怎样的一个句子? hi sam .this is ____.what are you doing?I am talking for you.空里可以填什么? this.doing.is.you怎么组成一个句子 what is you doing? doing what you do is freedom中的doing可以换成do吗? 请问doing what you do is freedom中的doing可以换成do吗? 问doing what you do is freedom中的doing可以换成do吗? What _______(you do) when I phoned you this morning?What were you doing when I phoned you.this morning这个是填were you doing ,可以改成did you doing What are you doing this time? what is she doing this morning? 1.(are you doing) anything interesting this weekend?可以写成did you do anything interesting this weekend?2.going on意思3.为什么香港可以50年不变? what were you doing this morning还是what are you doing this morning what are you doing this Saturday?=what---- ------ ----- ---- ----this Saturday? Doing this job is difficult for him 还是 Doing this job is difficult to him do you suppose he is doing now /what do you suppose he is doing now?这两个都对吗/前者可以看成是宾语从句吗?do you suppose what he is doing now?这个句子对不？ this is you change this is for you. this is for you.