有两种可能:
1 The book you borrowed from the library should be returned in five days.(指将来)
2 The book you borrowed from the library should have been returned five days ago (指过去)
有两种可能:
1 The book you borrowed from the library should be returned in five days.(指将来)
2 The book you borrowed from the library should have been returned five days ago (指过去)