翻译We know that light travel much faster than sound.

翻译We know that light travel much faster than sound. As we all know,light (travel)faster than sound Nobody knew that light （）（travel）much faster than sound at t As we all know,light_(travel)faster than sound. She said that light ____ much faster than sound 3.He said that light ___ much faster than sound. Light_______(travel)much faster than sound. Light travels much faster than sound. My teacher told me light ____(travel)much faster than sound It ( )that light travels faster than sound The teacher told us that light __(travel) faster than sound. I knew that light _______ (travel) faster than sound three y