Every year graduates take pan in TOEFL for further education abroad.A. too muchB. sever

问题补充：

Every year, graduates take pan in TOEFL for further education abroad.

A. too much

B. several scores

C. many a

D. scores of

答案：

A. too much

B. several scores

C. many a

(答案→)D. scores of

解析：四个选项中只有scores of能修饰复数名词。many a修饰单数名词。