For the subway is an enduring _________ of mass-transit engineering: tains make 6,800 trips each day over 731 miles of rail, carrying 3.7 million people.
A. marble
B. marvel
C. wonderful
D. marvelous
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If the United Nations is where they world shakes hands, the New York subway is where the world ___ shoulders.
A. rubbers
B. touches
C. rubs
D. wipes
What a wonderful win-win story to ____________ the front page of The Post on Saturday.
A. grace
B. graceful
C. gracefully
D. graces
Whenever a race ____________ goes national, Obama seems to feel compelled to comment.
A. controvert
B. controversy
C. controversial
D. controversially
Fresh signs of radiation leaks have raised questions about the _____________ of the government's feed-and-bleed approach.
A. sustainability
B. sustainable
C. sustain
D. sustainably