句型转换。
1. Mr. Green likes playing tricks on others. (同义句)
Mr. Green likes playing _______ _______ on others.
2. Christmas Day is December 25th. (对划线部分提问)
______ ______ Christmas?
3. He comes back. I tell you at once. (改成条件状语从句)
If he _______ back, I ______ you at once.
4. I found many candies and toys in it. I got up in the morning. (用when合并两个句子)
________________________________________.
5. Is there any interesting festival in your hometown? (作肯定回答)
________________________________________.
的值是（）。