-----This returned Chinese scholar has become one of the top experts in this field.-----Yes, I know him very well. He _____ in Africa with wild animals for eight years.
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.
Would you like to remind me _______ the medicine tomorrow?