同义代换
How long has your sister studied Japanese?
---Where ________ the 2010 World Expo(世博会)__________?
---In Shanghai.
---I'm going to visit the Science Museum tomorrow.
---________
---Work hard, or you will _______ others.
---OK, I'll try my best.
---_______ do you visit your grandparents?
---Once a week.
---I'd like to find some information about Hainan Island.Would you please teach me ________ to surf the Internet?
---With pleasure.
---________ idea did you take?
---John's.