—— _______ you watching TV? —— Yes, I _________.
— Excuse me. Where is the stair?— Ok. Go straight ____that door under the EXIT sign.
---Are there any animals in the zoo?---____________.
__________ did your mother go?---She went to Hangzhou.
Susan and her classmates__________ to the mountain last week.
--- Did your mother go shopping last Monday? ---Yes, she__________. A. does B. was C. did D were