---How much did you _____ for the book? ---Twenty yuan. A pay B cost C take D spend
-I didn’t know _______.He looked so sad yesterday. -Maybe he failed his exams.
Shanghai Zoo is very famous. Every year ______ people visit it.
--You have been to Shanghai, haven’t you? --_______. I have only been to Nanjing. I plan to visit it this summer.
--Who is knocking at the door? -It ______ be Mr. Wang. He always knocks at the door so loudly.
-Which do you like, tea or coffee? -______. I’d like some water.