用所给词的适当形式填空（共10小题 ，每小题1分 ，共10分）
小题1:Congratulations! Both of you are the_________ (win) of the match.
小题2:According to the ________ (science) studies, the color red can make people hungry.
小题3:Next Sunday is my grandpa’s____________ (ninety) birthday.
小题4:Mike, tell them not to climb the stones, or they may hurt_________(they).
小题5:After watching this programme , you will realize the________(important) of learning English.
小题6:---What’s the weather like today? ---- It’s (cloud).
小题7:—How many times have you been to Hong Kong? —_________(two) .
小题8:________________ (luck), Kate hurt her leg last week.
小题9:The more you practice, the____________ (easy) it becomes.
小题10:Everyone needs to have at least eight____________ (hour) sleep a night.