—When are you going to______ for Shanghai?
What time will you ________ the airport tomorrow,Kate?
Fishing with Dad was so _____ for the boy that he almost fell asleep.
Tom ______ china for nearly five years. But now he Hawaii _________ business.
They ______ going to school on foot before they went to high school.
--- Do you know Tom very well?--- Yes, he and I _______ friends since we met in yangshan the year before.