The company had huge debts and was______bankruptcy.
A. on the crest of
B. on the borderline of
C. on the brink of
D. on the surface of
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The old houses were knocked down in order to make_____for a new post office.
A. road
B. path
C. avenue
D. way
If you join the club you must_____ by its rules.
A. comply
B. abide
C. observe
D. obey