根据句意及所给首字母提示,补全句中所缺单词。9输入答案时写上首字母) 1. A new treatment ( 疗法 ) can s the man’s life. 2. Jason is very busy these days and he only s for 5 hours a day. 3. Dogs are very s . They can learn many things from people. 4. Students love the music club and there are o 40 students in it. 5. Fish live in the w .