Unit 51. come to one’s party 参加某人的聚会2. on Saturday afternoon 在星期六的下午3. study for a test为测验而学习4. go to the doctor=see a doctor 去看医生5. have/take a piano/guitar lesson 上一堂钢琴(吉他)课6. much too 太，过于 7. too much 太多8. birthday party 生日聚9. soccer practice 足球训练10. look for 寻找 11. find out 找到,弄清楚,查明12. be (go) on...
