—Whom would you like to be your assistant, Jack or David?
—If I had to choose, David would be ____choice.
A. good B. better
C. the better D. the best
—Excuse me. Do you have a table for two?
—I’m sorry, ______ there aren’t any seats now. Would you mind waiting a while?
A. but B. and C. or D. so
—Someone is knocking at the door. Who ______ it be?
—It ______ be Tom. He is still in the school.
A. may; can’t B. can; mustn’t
C. might; couldn’t D. could; may not
Mrs. Smith put a coat________ the sleeping girl to keep her warm.
A. over B. with C. behind D. beside
—I will buy you a new bike if you learn how to swim this summer.
—Is that a ________? I’m sure I’ll get the bike.
A. chance B. promise C. trick D. treat
________ Greens are on _________ visit to the Great Wall.
A. /; a B. A; the C. The; a D. The; /