_______ the moon moves round the earth is well known to all of us.
A、ThatA
本题的考点是：That引导的主语从句，注意that引导的主语从句在句中只起到连接作用，没有意义，也不做任何成分。
Whentheshiplostitsenginepower,thecrewfoundthemselvesatthe_________ofthewind.
Theplantsneedsandwitha___(deep)ofatleast10to15cmtogrow.
Thetwinsaresoalikethatitsalmost___(possible)totellthemapart.
FindingHarrietshouse______tobemoredifficultthanNickhadexpected.
Therediscoveryofthisspeciesofbirdsisoneofthemost___(ordinary)scientificfindingsinrecentyears.
