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，在空格处填人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卡标号为3l-40的相应位置上。
Indiana middle school and high school students can receive free help with their math and science homework,   31 is great news for parents, teachers, kids in grades six through twelve in the state of Indiana. The Rose-Hulman Institute of Technology has   32  homework hotline that makes   33  possible, and the homework hotline provides this   34   (value) tutoring （辅导）service for free. Not only is homework help   35  (complete) free to Indianan middle school and high school kids, but the call is also free  36 charge.
Since 1991, the Rose-Hulman Institute of Technology   37 (help) middle school and high school kids in the state of Indiana develop the skills they need   38   (solve) math and science problems, and Rose-Hulman college students help in a way that makes kids think and solve problems without   39  (provide) the answers. This free tutoring program is a great benefit    40  middle school and high school students in Indiana.