new products have been successfully made in the factory.A. A great deal ofB. A number ofC

发布时间：2020-08-15 01:45:03

     new products have been successfully made in the factory.
A. A great deal of
B. A number of
C. The number of
D. A great amount of

网友回答

A. A great deal of
(答案→)B. A number of
C. The number of
D. A great amount of
解析：a number of+可数名词意为:许多,谓语动词用复数. 
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