-What can I do for you? -I am looking for _____ iPad for my daughter. If she works hard and gets a good result in the entrance exam for the high school, I will buy _____ to her. A. an; it B. a; it C. an; one
_____you_____the singingcompetition The voice of Chinalastyear? A.Have;entered.B.Did; enter. C.Did;entered
South Africa (南非) is acountry.
Columbus __________ America in 1492.
-Have you visited New York? -Yes, I have. I __________ there twice.
Our English teacher __________ to England. She'll come back in ten months. A. have been B. has been C have gone D. has gone