依次填入下列各句横线处的词语，最恰当的一组是：（ ）①锦袋内掣出那管凤箫，李师师接来，口中轻轻吹动，端的是________之声。②他的表情很细腻，可以说一丝不苟；嗓子也很响亮，唱几句真的是________。③人民以胜利的欢呼，对我们历史上这一________的大事件，表示了他们的赞许。

_____ the teachers in theirschool is about 200 and one fourth of them are ____ teachers.

________supply of houses，prices of apartments have been going upthese years

．—It’s a long time since I saw my brother．—Why ________ him thisweekend

It every day so far this month. I can’t tell you if it tomorrow.