After he had solved the math problem, he _____ to deal with another one.
It is ten months since he ______ a doctor.
The new stadium being built for the next Asian Games will be the present one.
Their team ___ every match so far this year, but they still have two games to play.
The number of people invited ____ fifty, but a number of them ____ absent for different reasons.
---When _______for Guangzhou? ---Next Monday evening.