2. 职称英语
  3. An average of 3 ,000 letters a month______received by the newspaper’s office.A、a

An average of 3 ,000 letters a month______received by the newspaper’s office.A、a

游客2023-11-16  29
问题 An average of 3 ,000 letters a month______received by the newspaper’s office.
选项 A、are
B、is
C、was
D、be
答案 A
解析 主谓一致题。“an average of+名词复数”作主语时，谓语动词要求使用复数形式，因此A正确。
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