Because of the financial crisis, days are gone ______ local 5-star hotels charged 6,000 yuan for one night.
We __________ that the two substances have combined to form the new material.
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 __________.