转为过去式的被动语态 The old woman took care of the cats.When did they make the cars?He didn't w

问题描述:

转为过去式的被动语态 The old woman took care of the cats.When did they make the cars?He didn't w
转为过去式的被动语态 The old woman took care of the cats.
When did they make the cars?
He didn't water the trees yesterday.

以上答案都有错误= =
1the cats were taken care of by the old woman.
2when were the cars made by them?
3the trees weren't watered by him yesterday .