Many students signed up for the race in the sports meeting to be held next week.w
A. 800-meter-long
B. 800-meters- long
C. 800 meter length
D. 800 meters length
网友回答
(答案→)A. 800-meter-long
B. 800-meters- long
C. 800 meter length
D. 800 meters length
解析：可联系答.案.网客服索取。