单项选择题

Is it more （） to buy a large box of candy than two small boxes.

A．economy
B．economic
C．economical
D．economics

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单项选择题

Two were killed, but the others were only slightly injured in the two-car （）.

A．collision
B．conflict
C．contact
D．collapse

单项选择题

Women want the same pay if they hold the same jobs as men. At home, however, they do not expect their husbands to （） in the housework.

A．do
B．have
C．share
D．divide

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