Hethoroughlyunderstoodthesociety__________.
A、Hethoroughlyunderstoodthesociety__________________, John has been to several foreign countries.
Asyoulikepopmusic,__________Ilikeliterature.
Iboughtthiseighteenthcenturywritingdeskataquite________price.
________withthesizeofthewholeearth,thehighestmountainsdonotseemhighatall.
________tothepapersisrestrictedtoDefenseDepartmentpersonnelonly.
