It's known to all that___light travels faster than__sound.
It's known to all that___light travels faster than__sound.
As is known to us all,light travels much faster than sound.
it _to all that light travels faster than sound A
It is known to all that light travels in straight lines.
It's well-known to all that...
写答案并说为何It is known to all that light traves faster than ____
What is known to us that the light travels faster than sound
It's known to all that reading -----one's knowledge
____is well-known is ____light travels faster than sound.
It ( )that light travels faster than sound
It’s known to all that.改成what is known to all is that 中为什么要加
1 It's common knowledge that light travels faster than sound