Our teacher are always_______ Yes.We all thank them for their______A.work hard ; hard working B.working hard ; hard work C.hard working ; work hard D.hard work ; hard working

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Our teacher are always_______ Yes.We all thank them for their______A.work hard ; hard working B.working hard ; hard work C.hard working ; work hard D.hard work ; hard working
Our teacher are always_______ Yes.We all thank them for their______
A.work hard ; hard working B.working hard ; hard work C.hard working ; work hard D.hard work ; hard working

Our teacher are always_______ Yes.We all thank them for their______A.work hard ; hard working B.working hard ; hard work C.hard working ; work hard D.hard work ; hard working
选择B work 有两种词性,动词和名词.第一个空 be 动词后加动词ing hard作为副词 修饰working 的.第二个空 their 是形容词,后面通常加名词,work的名词用法

B

B

b
我们老师总是努力工作 我们都感谢他们由于他们艰苦的工作
望采纳

B