The steadily rising cost of labor on the waterfront has greatly increased the cost of shipping cargo by water.()

单项选择题We shall take the treasure away to a safe place().

A. clean
B. pretty
C. distant
D. secure

单项选择题Kit Carson, an American frontiersman, was one of the most sensational heroes of the Old West().

A.exciting
B. distracting
C. enigmatic
D. ostentatious

单项选择题Every week the magazine presents the (profile) of a well-known sports personality.()

A. success
B. description
C. evidence
D. plan

单项选择题Mr. Johnson evidently regarded this as a great joke.()

A. readily
B. casually
C. obviously
D. simply

单项选择题The reason for their unusual behavior remains a puzzle.()

A. fact
B. mystery
C. statement
D. game