—What's up? You didn't pick up the phone just now.—I'm sorry that I ________ dancing with music on, but it's done now.
He _______after a few day’s treatment in hospital.
One way to understand thousands of new words is to gain _____good knowledge of basic word formation
The newly-built tower, _______beyond imagination, is called “ The First Tower in Asia”
—How long _______in that company before you work with us? — For eight years.
________ houses were destroyed in the earthquake.