_you_(do)an experiment yesterday?Yes,we_(do) MAry does some shopping in Saturdau.(last Saturday改写
问题描述：
_you_(do)an experiment yesterday?Yes,we_(do) MAry does some shopping in Saturdau.(last Saturday改写
答
不好意思，我觉得你的问题表达不是很清楚，不过据我的理解应该是以下：Did you do an experiment yesterday?yes,we did.Mary did some shopping last Saturday!
希望能帮到你。
答
分别是Did do did did
答
Did, do
did
Mary did some shopping last Saturday.
答
Did you do an experiment yesterday?
Yes,we did.
Mary did some shopping last Saturday.