根据句意和首字母填入所缺单词。 1. You should write everything you have to do next week on the c__________ 2. This Sunday I will have a p__________ lesson. I'll learn some new music. 3. Mary can't go on a trip. She has to study for a g__________ test. 4. —Would you like a__________ cup of tea? —No, thanks. I'm full. 5. I'm busy on w__________ , but I'm free on weekends.