Whether the buildings in this area should be pulled down has remained ____；people are still looking for other possible solutions.

Jone’s father was among the first to make his fortune in___________is now known as the most fantastic tourist attraction—Hawaii

I’m afraid I ______ return the book to you before Friday. — Take your time.

I hear you won the prize in the English contestlast week —That was the second time I ________ theprize

_____will your sister be back —In about two hours.