Thomas Alva Edison didn’t “invent” the light bulb (灯泡), but rather he ______ a 50 –year –old idea, which is not well –known.
Since you have seen both fighters, will win?
I admired my classmate Lisa very much. her prettiness, she was smart and helpful.
Children are not recommended to see such films bad for their mental development.
Because of Einstein’s Theory of Relativity, scientists never again regarded the world .
--- Hurry up. The bus is coming. --- Oh, no. We mustn’t cross the street the traffic lights are green.