Shortly after the accident,_____ police were sent to the spot to keep order.A.dozens of B.dozen
问题描述:
Shortly after the accident,_____ police were sent to the spot to keep order.A.dozens of B.dozen
答
A dozens of 表示几十个, 由后面的were看出,要用复数. 如果选B的话,则要用a dozen of .表示许多,一打( 12.3个.)