根据汉语及首字母提示写出单词。 1. Our teacher is very s___with us. 2. The little boy is very interested in science (科学) . He wants to be a s___ in the future. 3. His father is a___(教授) in a famous university. 4. My sister studies in Yuhong___(初级的 ) School. 5. We should be f____ to our classmates.