Many of Chinese students who have learnt English for more than ten years are still unable to speak English fluently when they meet a foreigner. They seem to have mastered the basic language structure, but a conversation in English will make them feel uneasy. They are afraid that other people might find out their mistakes. It is not uncommon that many students, who are bad speakers of English, can write English perfectly. This proves that they are not unable to organize their idea in English. The center of the problem is that they don't have enough practices and confidence. Why should you be afraid? Do you fear those foreigners to whom you are speaking? Don't be shy. They will not laugh at you just for a little mistake you make. The best to _ this trouble is to learn to speak by speaking more. I am sure that more practice will help you to succeed. So many Chinese students dare not speak to foreigners because  _  .
they are afraid they can't understand the foreigners they worry about making mistakes in their speaking they are afraid their English is too poor they don't like speaking to foreigners