句型转换 1. When did you come back to China? When did you __________ __________ China? 2. Most countries use English to describe their hotels. __________ __________ __________ countries describe their hotels __________ English. 3. Hurry up, or you will be late. __________ __________ __________ hurry, __________ be late. 4. They tell you how to use a word. They tell you how __________ __________ use a word. 5. Dictionaries are both useful and interesting. Dictionaries are __________ __________ useful __________ __________ interesting.