题目内容：

连词成句的小问题

cooking,while,I,dinner,the,was,he,working,was,garden,the,in

doing,you,what,were,watching,when,was,I,TV

opening,I,as,just,was,the,rang,door,phone,the

already,we,to,been,three,have,times,Shanghai

优质解答

1 He/I was working in the garden while I/he was cooking dinner .
2 What were you doing while I was watching TV?
3 The phone rang as I was just opening the door.
4 We have already been to Shanghai three times .
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追问：

第一题那个人称都可以用？

追答：

对，前面是I， 后面就用he，反之，前面用He，后面就用I