体育活动中包含着许多物理知识,下表是某同学的一次体育测试成绩单,根据表格中提供的信息进行下列计算.
项目
1000m
俯卧撑(次/min)
单摇跳绳(次/min)
成绩
3min20s
25
160
--- What about playing ______football after school?
--- I'm afraid I can't. I have to practice playing ______ piano,
Jenny and I ____ (be) good friends.