新概念英语连词成句L117-L118一课一练求助!

题目

新概念英语连词成句L117-L118一课一练求助!
1.opening,I,as,just,was,the,rang,door,phone,the
2.already,we,to,been,three,have,times,Shanghai
3.cooking,while,I,dinner,the,was,he,working,was,garden,the,in
还有：4.doing,you,what,were,watching,when,was,I,TV

答案

I was just opening the door as the phone rangwe have already been to shanghai three timesI was cooking the dinner while he was working in the gardenwhat were you doing when i was watching TV