There is _______ “s” and ________ “u” in the word “bus”.
---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.
--- What will the weather be like tomorrow?--- It ______ be rainy, cloudy or sunny. Who knows?