Nowadays, people in the city enjoy a ________ of recreational(娱乐) life.
A. variety
B. range
C. extent
D. variation
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The hopes, goals and fears ________ widely between men and women, the rich and the poor, the old and the young.
A. alter
B. shift
C. transfer
D. vary
He wasn't interested in politics until he was old enough to ________.
A. choose
B. vote
C. elect
D. register
She ________(sail) the boat without any help
The (salesman) ________in that shop have been fired last week.