___ time, he’ll make a first-class tennisplayer.

Tom’s wife was saved in the earthquake and he was so grateful that he decided to help some poor children _____.

Li Hua is a ______player. He can playfootball________.

really Can Doris read through it in such a short time — She covered the English novel ______ it took me, still less a simple story．

In order to keep healthy, he _____ an hour every day to take exercise.