There is _____ boat in ________river.A. a; the B. the; a C. a; a
--- I didn’t see you at the party yesterday. Why? --- Because I ________ for an important person from America at that time.
I hope you __________ in this city for a few more days.
Have you _________ the story before?
We ________ the whole day in Disneyland yesterday.
--- Where is your mother? --- She _______ to Sichuan on business. She has ______ there four times recently.