题目内容
根据所给的动词的适当形式填空
I heard someone ________(go)upstairs at 12∶00 last night．
My daughter insisted on ________(play)soccer．
It is time for us ________(play)baseball．
They both take turns ________(look)after the old man．
My uncle ________(leave)for Shanghai when we got to the airport．
It ________(report)that the pollution is getting worse and worse．
