Although they feel tired, _________they still go on working.
_________ the bridge, you can see the hospital on your right.
I’m looking forward to _________ Beijing.This summer holiday my family are going to_____ the Oympic Sports Center.
My friend Tom is always ready _____ others. He often teaches______ English.
Quzhou is a beautiful city. Every year there are __________ tourists.
---________________________?----I’d like to buy some sausages.