The boy was last seen near the East Lake.
A. missing; playing
B. missing; play
C. missed; played
D. missed; to play
网友回答
(答案→)A. missing; playing
B. missing; play
C. missed; played
D. missed; to play
解析：第一空missing为形容词“丢失的”；第二空男孩被看见时正在“玩”用playing。最后一次见到那个丢失的男孩时他正在湖边玩。