--Sam, come downstairs, please. I need your help. --Sorry, Mum. I _____ on the phone. A.talked B. am talking C.was talking.
-How much is the ticket to Central Park? -A one-way ticket $40, and you can another $ 20 for a round-trip.
— Could you tell me ________? — Go down this street and it’s next to the bank.
More than two ________ students in this university were chosen as volunteers.
They hoped ________ the secret forever.
—Will you join us for lunch? —________.