Professor Yi Zhongtian ______ to the Talk Show on CCTV—1 last weekend .A. invites B. invited C. was invited
—Have you packed the camera yet?—Yes,of course.I________it last night.
Homo erectus pekinensis(北京人)________in Zhoukoudian Village,on the Longgu Mountain,Fangshan District,Beijing.
Grandma________us stories when we were very young.
—________free education,the poor children in my hometown can go back to school.—So can the children in my hometown.
—Are you free now?—No.I have so many chores________today.