_______ 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。
Weallknowaboutthe_____thatsmokingcandotoourhealth.
Ifyouareunabletocometotheinterview,for______reasonyoushouldinformusaheadoftime.
The group is made up of local___(music)who have been performing together for several years.
Now that you know all the facts ，you can make an informed___(choose).
FindingHarrietshouse______tobemoredifficultthanNickhadexpected.
