第二节 语法填空（共10小题；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卷标号为31-40的相应位置上。
The president’s message to students was simple: study hard, pay attention in class and embrace the opportunity to learn.
"We can have the most dedicated teachers, the most 31 (support) parents and the best schools in the world. And none of it will make a difference; none of it will matter, 32 all of you fulfill(履行) your responsibilities," Mr. Obama said.
