Who is the man over there? Is it Mr. Wu? — It ________ him, but I am not quite sure.
Kobe Bryan is one of _______in the USA.A. popular basketball playerB. the most popular basketball playerC. the most popular basketball players
_____ you _____the singing competition The voice of China last year?A. Have; entered. B. Did; enter. C. Did; entered
South Africa (南非) is a country.
Columbus __________ America in 1492.
-Have you visited New York?-Yes, I have. I __________ there twice.