Loulan, once a small, wealthy commercial city, is believed by many people___________over gradually by sandstorms from AD 200 to AD 500.
It is re ported that the United States uses _____ energy as the whole of Europe.
Mary kept weighing herself to see how much ______ she was getting.
It is believed that if a book is ______, it will surely ______ the reader.
Wouldn’t it be for you to pick me up at four o’clock and take me to the airport.
10,000 dollars is a large sum of money,but it is still ______than we need for a new house