Many a professor looking forward to visiting Germany now.Many scientists
studied animals and plants in the last two years.
A. is; have
B. is; has
C. are; have
D. is; are
网友回答
(答案→)A. is; have
B. is; has
C. are; have
D. is; are
解析：“many a +单数名词，more than one+单数名词”作主语，尽管从意义上看是复数，但谓语常用单数形式。