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) ________________________________________.