—Could you pass me _____glass on the table, please?—Sure, but it’s _____empty one.A. the , an B. the , the C. the, a D a, an
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.
—Most paper is made________wood. —Yeah.But most books are made________paper.