With economy developing at great speed, our city has ________ quite a few changes in recent years.
----- Have you ever visited the 2010 Shanghai World Expo? -----Yes.When I was in China , I ______ it twice.
The old lady ______ the shopkeeper of charging her too much for the goods she had bought.
I can’t imagine how he finished the relay race, ______ his foot wounded so seriously.
Dear me! Just _____ at the time! I _____ no idea it was so late.
-----Haven’t seen you for ages! Do you still work in Guangzhou? -------_______. It’s two years since I worked there.