问题
选择题
. ---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
答案
答案：D
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。