_______ 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。
Weknewtheboss________beangryifwedidn’tfinishtheworkintime.
We______togotothesupermarketbecausewehadplentyoffood.
Theyknewtheyhadto________actiontodealwiththeplaguebeforeitspreadtootherareas.
Ifyouhavetheright___(equip)，youwon’tfindthejobdifficult.
Whenhewasarrested,Terry_________incrimeforyears.
