A survey shows that one in three people is concerned ___ lack of daylight and high noise levels
问题描述：
A survey shows that one in three people is concerned ___ lack of daylight and high noise levels
填介词
答
固定搭配,填【for】
【be concerned for】对...担忧
祝学业进步!能再问道吗？The movie starring Daniel Radcliffe ,___ which the talk turned,made the class come alive还是填介词谢谢