根据汉语或所给词的正确形式填空。
He usually takes a ____ (淋浴) after he gets up.
Are there any____  (警察) in the street?
Koalas sleep ____ (在……期间) the day and get up at night.
Don't be____ (懒惰的) ! You must work hard.
 Mr. Green is a good teacher. He ____  (教) us music.
Does Molly enjoy_____ (read) magazines?
There____ (be) some fruit on the table.
 It's 5:30 now. The children____ (clean) the classroom.
Our teacher is very____ (friend) to us. We all love her.
This kind of animals likes to eat____  (leaf).

民族区域自治制度是指在国家的统一领导下在少数民族聚居的地方实行区域自治，设立自治机关，行使自汉权的制度。以下对其理解正确的是（    ）

①是适合我国国情的一项根本政治制度   ②国家保障各少数民族的合法权利和利益

③有利于维护民族团结和国家统一          ④在少数民族群众居住的地方都实行这种制度