– Where does your brother work, Jane?-- In America. But he __________in China for 5 years.
How often do you go swimming with your brother?
I was about to get on the bus _________someone called.
It was Mr Green _______ looked after my grandmother when I was on business.
Don’t ________when you are in trouble, you should be brave.
The old man was deeply moved by the nurses who ______him while he was sick.