问题描述：
combine the sentences ,using past participle
tne work can be finished by the end of the day.But only if it is started soon.
the ice was taken into a warm room.Later ,it changed to water.
话说这种东西怎么改啊?是去掉主谓不?
tne work can be finished by the end of the day.But only if it is started soon.
the ice was taken into a warm room.Later ,it changed to water.
话说这种东西怎么改啊?是去掉主谓不?
问题解答：
我来补答展开全文阅读