The northern face of the mountain is almost vertical.
A. curled
B. hooked
C. straight
D. perpendicular
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The enemy tried to sow discontent among our men.
A. distrust
B. unfaithfulness
C. dissatisfaction
D. hatred
Girls have a stronger tendency to chatter than boys.
A. rumor
B. talk
C. lie
D. shoot the breeze
A lot of students grumble about heavy reading assignments.
A. emit
B. utter
C. complain
D. criticize
Sometimes it's not easy to discern between the true and the false.
A. concern
B. realize
C. find
D. tell