Question

—Mary knows so much about .         earth!
—Yes, you know she is only .         eight-year-old girl.

A．the; a

B．an; an

C．the; an

D．an; a

Answer 1

C

試題分析：句意：---關于地球瑪麗了解的是如此的多，----是的，你知道他僅僅是一個8歲的小女孩。世界上獨一無二的如：地球，月亮前必須加the ,復合形容詞eight-year-old中eight是元音因素開頭的，用冠詞 an,結合語境可知選C。