_______ the moon moves round the earth is well known to all of us.
A、ThatA
本題的考點是：That引導的主語從句，注意that引導的主語從句在句中只起到連接作用，沒有意義，也不做任何成分。
BeforetheSmithsmovedtoNewYork,theylivedinaquiet___(neighbor)ofBoston.
Thereisnopoint______takingFrenchlessonsifyoudontwanttolearnthelanguage.
Somedoctorsclaimthatavegetabledietissuperior_________ameatdiet.
Thetwinsaresoalikethatitsalmost___(possible)totellthemapart.
Thepoliceaskedthemtodescribethe________womanlookedlike.
