单选题 Many a teacher in our department______aboard.
A) have been B) has been C) have gone D) has go

【正确答案】 B
【答案解析】[试题类型] 主谓一致
[试题精解] ‘more than one+名词”或“many a+名词”作主语，虽然表示复数含义，但谓语动词仍用单数。