下列各句中加横线词语的使用，不正确的一项是（ ）

There was a hole in the door, through which I __________ sight of Mr. Brown sitting in a chair. [ ]

下列各句中，没有语病的一句是（ ）

ight, we attended a concert ______ music byHaydn and Mozart, which was a feast for the ears

________ the most important thing in your life?