—Is the man who is singing your teacher?--- Yes, he teaches _____ physics.
—TV and computer are so popular these days.—Yes, they can______ our eyes to the outside world.
Jim has a ______. He is going to the USA to visit his sister.
The couple ______at this time yesterday. Nobody knew when they stopped.
Millie is______ clever a girl that she has worked out _______difficult math problems.
Did your father tell you ______?