I just don’t understand _______ that prevents so many Americans from being as happy as one might expect.
The people of the town were __________ of the danger of flooding.
All finished, they sat down to enjoy __________ they thought the most delicious dinner.
Nowadays people attach more importance __________ the children's preschool education than before.
In my opinion, what you told us just now doesn't make any __________.
Many countries have __________ man-made satellites to circle the earth.