At the age of 29, Dave was a worker, ______ in a small apartment near Boston and ______ what to do about his future.
Doctor Wang, who ____ western medicine for six years in New York, is now working in a famous hospital in Shanghai.
We have no idea what ____ the sports exercises will have _____ human body in the future.
In the time of economic crisis, every coin _________ a lot.
--- Miss Yuan, you promised! --- Well, ____________. But it was you broke your word first.
Joan spent as much time as she ________ me with my maths while I was in China.