Yuan Longping, a great person in China, _____as “father of hybrid rice”
You should study hard. No one can _______ you ________a good future.
John is _____ honest boy. He said he would come here in _____ hour.
— I plan to be the top student in our school this term.— .
---__________does your friend go fishing?--About three times a month.
Don't eat_______ sweets, Benny! There is_______ sugar in them.