问题补充：
The moment I completed the 800- meter race in the sports meeting, my legs .
A. gave out
B. gave away
C. gave in
D. gave up
答案：
(答案→)A. gave out
B. gave away
C. gave in
D. gave up
解析：考查动词短语辨析。句意：在运动会上，我一跑完800米，腿就筋疲力竭了。A分发，公布，耗尽，筋疲力竭；B赠送，泄露，丧失；C屈服；D放弃。故选A。
