_____ is known to everybody， light travels much faster than sound.
举一反三
- _____ is known to everybody， light travels much faster than sound. A: It B: As C: That D: What
- is known to the world, light travels much faster than sound. A: As B: It C: That D: What
- It is known to us all that _______ light travels faster than _______ sound.
- It is known to all that ___ light travels faster than ___ sound. A: /; / B: a; a C: the; /
- "Light travels faster than sound," my teacher told me. My teacher told me ______ ______ ______ faster than sound.