Mrs. Sun is a friend of _______.A. Mary's mother B. mother of Mary C. Mary 's mother's
------ Do you live ____ London? ------ Yes, I do. A. on B. in C. at
Gao Shan ____ to play table tennis with me. A. wants B. want C. wanting
What subjects does he study ____ school? A. on B. at the C. at
------ ____ he usually swim on Saturdays? ------ Yes, he does. A. Do B .does C .Does
------ Are you ____ the Internet? ------ No, I’m not. A. surfing B. surf C . write