The duties of a policeman are _____ than ____ . 
#20871
A
dangerouser ; a teacher
B
more dangerous ; a teacher
C
greater danger ; those of a teacher
D
more dangerous ; those of a teacher
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I think whoever makes______contributions to the company than the others should get ______income.
#20931
A
greater; a highest
B
more greater; a higher
C
greater; the highest
D
more greater; the higher
The poor man , ________,ran out of the dark cave.
#19611
A
tiring and frightened
B
tired and frightened
C
tired and frightening
D
tiring and frightening