It isnot polite to interrupt someone when he is talking. ()
A. break
B. continue
C. follow
D. introduce
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It is a tough decision to make. ()
A. easy
B. plain
C. simple
D. difficult
The chair is not very stable.()
A. beautiful
B. steady
C. stout
D. shaking
It is an indisputable fact that man is mortal.()
A. living
B. lifelong
C. perpetual
D. dead
Her speech made a tremendous impact oneveryone.()
A. result
B. role
C. influence
D. ending