题目内容

13．When you have trouble in learning English，you can ________ your English teacher for help．（　　）
A．turn upB．turn toC．turn downD．turn on

分析 你学习英语要是遇到问题，你可以向你的英语老师求助．

解答 答案：B
解析：A：调大（音量）；出现；B：求助于；C：调小（音量）；拒绝；D：打开．根据句意"你学习英语要是遇到问题，你可以向你的英语老师求助．"及所给选项分析可知，本题答案为B选项；其余选项均不符合题意．

点评 本题考查动词短语．做此类题目时一定要熟悉每个动词短语的含义并结合用法与其在句中的成分来选择合适的形式．

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