At the head of the procession , each holding a red flag in his or her hand.
A. the Young Pioneers marched
B. marched the Young Pioneers
C. did the Young Pioneers march
D. where marched the Young Pioneers
网友回答
A. the Young Pioneers marched
(答案→)B. marched the Young Pioneers
C. did the Young Pioneers march
D. where marched the Young Pioneers
解析:可联系答.案.网客服索取。