— Mary is sort of worried today.— How do you know?— The look on her face _______ her ______.
The world is _______ seven continents and four oceans.
Japan is an ______ industrial country.
What way are you thinking of _______ rid of this kind of pollution?
---Who were those people with the banner? ---A group ______ itself the League for Peace.
Do you mind _______ alone at home?