He said that light ______much faster than sound.
I________football when l was a child.
—________do I save the document on the computer?—Please click“save”and write a name for it.
—Why do you like this TV program?—________it’s very interesting and exciting.
—When did you meet Jack for the first time?—I met him________the airport________National Day.
He was late this morning,because the bus was too________for him to get on.