来自刘元亮的问题
英语题目AB有何区别Thework()aheadoftheschedule,theywenttotheseasidetohavesomefun.A.hadbeenfinishedB.havingbeenfinished.
英语题目AB有何区别
Thework()aheadoftheschedule,theywenttotheseasidetohavesomefun.
A.hadbeenfinishedB.havingbeenfinished.

