听两遍，根据你所听到的短文内容，从A、B、C三个选项中选出正确答案。 1. Great changes have taken place in Wei Hua's school since ________. A. one year ago B. two years ago C. three years ago 2. The students in Wei Hua's class first ________. A. teach themselves B. ask some questions C. take important notes 3. Many students like ________ because they can help each other in class. A. doing sports B. studying in groups C. singing songs 4. The students in Wei Hua's school are ________ all of the activities. A. angry about B. afraid of C. interested in