---My goodness, who has had the tap water ______ ?---Sorry, I ____ have it turned off at once.
As the road to the airport is under reconstruction, we’d better ______early to avoid the traffic jam, A, pay off B. set off C. put off D. take off
—Can I have an apple, Uncle Pal? —______. An apple a day keeps the doctor away.
—Mrs. Smith! Tom has broken the mirror! —________ Such things happen.
Mr. Rod prefers a restaurant in a small town to _______ in so large a city as Beijing.
Have you heard news that he is ranked ________first in the competition?