题目内容：

Without someone to ____ for advice,making the best choice can be difficult for Tom.
A turn to
　　B turn up
　　C turn over
　　D turn on
选什么,为什么.turn to

优质解答

Without someone to ____ for advice,making the best choice can be difficult for Tom.
A turn to
　　B turn up
　　C turn over
　　D turn on
选A
如果没有人可以求助,tom将很难做出最好的选择
将句子还原
就是【turn to sb for help】的结构,翻译为向某人求助
turn up 出现
turn over翻身
turn on 打开
都不对