2. 外语
  3. A number of doctors in this country (was) asked to from a new organization (taking) responsibility for (overseeing) the training

A number of doctors in this country (was) asked to from a new organization (taking) responsibility for (overseeing) the training

admin2008-10-11  47
问题 A number of doctors in this country (was) asked to from a new organization (taking) responsibility for (overseeing) the training of (specialists) in the new field.
选项 A、was
B、taking
C、overseeing
D、specialists
答案A改为were
解析 a number of做主语，谓语动词用复数。
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