问题
选择题
I took part in the ____ in the sports meeting last week.
A．800-meter-long
B．800-meters-long
C．800 meter long
D．800 meters long
答案
答案：A
考查复合形容词作定语的应用。题意为：上周我参加了运动会中的800米跑比赛。其构成结构为数词 +连字符号+名词单数+连字符号+形容词。故选A。