Change'-c travels faster and _(靠近)to the moon
Change'-c travels faster and _(靠近)to the moon
____is known to everybody,the moon travels round the earth
( ) is known to wverybody, the moon travels round the earth
______is known to everybody,the Moon travels round the Earth
____is known to everybody ,the moon travels round the earth
nothing in the world travels faster than
What is known to us that the light travels faster than sound
__is known to everybody,the moon travels around the earth on
___is known to every body,the moon travels round the earth.
..is known to everybidy,the moon travels round the earth onc
As is known to all,the moon travels around the earth once ev
as is know to everybody,the moon travels round the earth onc