题目内容
【题目】During the last three decades, the number of people participating in physical fitness programs___ sharply.
A.was increasing
B.has increased
C.had increased
D.will be increasing
【答案】B
【解析】句意:在过去的三十年里,参与身体锻炼的人的数量激增。根据时间状语判断应用现在完成时,故选B。
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