I know Beijing very well since I ________ there three times.A. have been B. went C. have gone
Look, Tony __________ a delicious ice-cream over there.
—Are you from America? —__________.
— I like math very much. Do you like math?— __________.
—Is your mother _________ English teacher?—No, she isn’t. She is _________doctor.
His favourite _____ is science.