________ a two-year period, Nancy became addicted to painkillers （止疼药）.A．BeyondB_刷题宝

题干

________ a two-year period, Nancy became addicted to painkillers （止疼药）.

A．Beyond

B．Above

C．Since

D．Over

上一题下一题 0.85难度单项选择更新时间:2010-06-06 09:30:57

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