下列各句中均有一处错误, 请写出并改正。
1. There are many people are playing basketball there. ______ ______
2. Could you tell me the different between the two books? ______ ______
3. It was my grandpa’s eighty birthday yesterday. ______ ______
4. Baby, it’s very lazy for you to sleep late every morning. ______ ______
5. I wrote an 800-word’s composition yesterday. ______ ______
6. The fish we caught is still living. ______ ______
7. The Great Wall is one of the most famous building all over the world.
______ ______
