It took me over two hours to ______ Robert to change his mind, because he was too stubborn.
One of the world’s largest art galleries is the Louvre, ______ in Paris, which is also famous for its restaurants and theatres.
It is amazing that the little boy can swim ______the river ______100 meters wide.
In order to meet the deadline, Professor Smith along with his assistantsthe project day and night.
Although dragon doesn’t exist, we still take it as a _______ of our nation.
Baseball requires teamwork _______ tennis is an individual sport.