Peter is busy _ _ at school, but he never forgets _ __ exercise every day.A. working; doing B. working; to do C. at work; doing
Linda eats ________ rich food. She must change her diet.
How much does the ticket from Taixing to Nanjing?
How many can you see in the kitchen?
Amy thinks hamburgers are not healthy, so she _________ eats them.
October 31st is _____ Halloween, it’s _______ interesting festival for children.