London is a most beautiful city, ________ the River Thames.
In that big fire all their houses were______, so they had to build new ones.
Rather than _____ a bus to her workplace, Susan prefers ______ a taxi.
I was about to tell him the secret _____ someone patted me on the shoulder.
His film is sure to win the award because it ____ by most people.
Believe it or not, the ancient Chinese painting is worth more than ___ dollars!