-Dr. Jackson is not in his office at the moment.
-All right. Ihim later.
will call
have called
call
will be calling
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.
Berners-Lee ________ the idea of the World Wide Web in 1989 while working in Switzerland.