根据意思写词语。
①宽广辽阔,没有边际。____
②指悠闲的样子,内心感到非常满足。____
③指神情举止、姿态风度端正庄重。____
④用尽目力向远处看。____
--- Where's your cousin?
--- He his homework in his bedroom.
如图,已知O为直线AB上一点,OC平分∠BOE,OD⊥OC于点O,则与∠DOE互补的角是( )