第二节 语法填空(共10题；每小题1.5分，满分15分)
阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空，并将答案填写在答题纸标号为31－40的相应位置上。
As a blind boy, I now had the key to all languages, __31__ I was eager to use it. Children __32__ can hear learn languages without any particular effort. __33__ hear other people speak, and enjoy trying to make the same sounds. The __34__ child must learn languages in a slow and often painful way.
