17.16.When did the writer finish the diary? A.March 18th. B.March 28th. C.May 28th. 17.What was the writer doing when he heard a voice? A.He was playing computer games. B.He was reading books. C.He was cleaning his bedroom. 18.How did the writer feel first when he heard a voice? A.Bored. B.Scared. C.Interested. 19.What did Father Time tell him? A.Don't waste time. B.Don't waste money. C.Don't waste water. 20.What should we do? A.Take our time to play and make a difference. B.Take our time to study and have a dream. C.Take our time to study and make a difference.