请大家帮我做这道题！Ialwayscarrythispocket
I always carry this poct dictionary with me, for it may ___handy now and then. A.come in B.go on C.look up D.turn to 请问这道题应该选什么，怎么解释？多谢！
茗馨薄荷的答案是对的 不过解释有问题啊 查字典应该说look up the new word in the dictionary 就是说look up 后面必须跟sth.