------______, is the seat free?------______, it’s taken. My friend will be back soon.
She had no sooner finished her task ________ it began to rain.
________,Carolina couldn't get the door open.
—We must thank you for taking the trouble to cook us a meal. —________.
Dream of the Red Chamber is ________worth ________because we can learn a lot about the noble families in the feudal society.
When I talked with my grandma on the phone, she sounded weak, but by the time we ________up, her voice had been full of life.