—Who taught French?—Nobody.She learned all by________.
---I’m too nervous to give a talk in front of so many people.--- _________, Maria. I think you can make it.
---Mr. Wu, I can’t understand everything in class.---Don’t worry! I’ll _______ the main points at the end.
--- What did Lucy ask just now ?---- She asked _________________________.
--- You were out when I went to visit you yesterday.---Oh, I________ for a friend from England at the airport.
---__________ is it from here to Yangzhou Museum?--- About 20 minutes by bike.