The police were looking into the accident, hoping to find out _______ that had caused it.[ ]

－Is the math problem ______－Yes， I can work it out ______.

Hi，Michelle， I can’t find my e-dictionary— Sorry，I itI guess I put it on the top shelf with my things

y, my thanks go to my tutor, who has offered alot of suggestions and comments on my paper and ________ every page of mydraft.

Tiger Woods is good at playing golfand Richard plays ________ pianowell.