◎ 题干
This program _______in 1980, and so far __________thousands of oversees
Chinese students to China to look for their roots 
A.started; has takenB.started, took
C.started; broughtD.started; has brought
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◎ 解析
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◎ 知识点
    根据n多题专家分析,试题“This program _______in 1980, and so far __________thousands of overseesChinese students to China to look for their rootsA.started; has takenB.started, tookC.sta…”主要考查了你对  【助动词】【介词短语】【固定搭配】【疑问词组】  等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。