— Excuse me, I want to go to the 21st National Book Expo (世博会). Could you tell me______? — Sure. It is at No. 3 Changjiang Road in Harbin.A. where it is B. where it was C. where is it
---Which of the two T-shirts will you take? ---I will take______. One is for my brother and the other is for myself. A either B. both C.all D .neither
—Did you have a good vacation? — . I enjoyed myself with my family on the beach.
Who is _____ swimming, you or she?
It’s important ______ a lot of water when you have a cold.
New York is bigger than ______in Australia.