. ---Here you go. There are such cards here.
--- I only need these cards in the box.
A. five dozens; one dozen
B. five dozens of; one dozen of
C. five dozen ; one dozen
D. dozens of ; one dozen of
网友回答
A. five dozens; one dozen
B. five dozens of; one dozen of
C. five dozen ; one dozen
(答案→)D. dozens of ; one dozen of
解析： dozens of意为“许多”，其前不加数词。第二空cards前有 these，所以dozen后加of。答案D。