No mathematician is _____; he may make mistakes, but he must not hedge.
A. fallible
B. fallacious
C. false
D. infallible
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He argued with his wife so vehemently that he talked himself _____.
A. hoarsely
B. hoarseness
C. hoarse
D. hoarsen
We are certain that he will _____ his illness.
A. come over
B. go over
C. get over
D. give over
Engineering and technology are disciplines _____ from one another and from science.
A. differ
B. distinct
C. distinctive
D. extinct
Don't put that cloth over the baby's face, you'll _____ him!
A. smother
B. cover
C. breathe
D. smooth
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