高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
Shortly after the accident, two ＿＿＿＿＿ policemen were sent to the spot to keep order.
A.dozen of
B.dozens
C.dozens of
D.dozen
Shortly after the accident, two ＿＿＿＿＿ policemen were sent to the spot to keep order.
A.dozen of
B.dozens
C.dozens of
D.dozen
参考答案：
佳题速递：