题目内容
9.We must cconcentrate on our studies in the school.分析 在学校里我们必须集中精力学习.
解答 答案:concentrate.根据宾语on our studies in the school可知用concentrate on表示"集中精力学习".
点评 考查动词填空.
concentrate on 意思是集中精力于
可直接接名词concentrate on sth
或接动词ing concentrate on doing sth
或 concentrate one's effort on sth/doing sth
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