按要求完成句子。 1. I want to go to Yunnan on summer vacation. (对划线部分提问) _____________________________________________________________________ 2. Will you spend a day at Ocean World? (作肯定和否定回答) _____________________________________________________________________ 3. Have you ever been to China? (作肯定回答) _____________________________________________________________________ 4. Liu Xiang runs fast. Han Fei runs slowly. (用一句话来表达) _____________________________________________________________________ 5. I know many stories about China. (改为一般疑问句) _____________________________________________________________________