Today I have things to do.A. a great many ofB. a great manyC. a great deal ofD. much

问题补充：

Today I have things to do.

A. a great many of

B. a great many

C. a great deal of

D. much

答案：

A. a great many of

(答案→)B. a great many

C. a great deal of

D. much

解析：可联系答.案.网客服索取。