2016-2017学年 北师大版 必修5 unit13 people lesson1 课件 (10)
2016-2017学年 北师大版 必修5 unit13  people   lesson1 课件 (10)第4页

7. What do you have that you can’t lend to others? (Your shadow) 8. How can you throw a ball and have it return to you without hitting anything or having anyone throw it back to you? (Just throw it up in the air.) 9. What would George Washington be most famous for if he were alive today? (Old age.)