It is a beautiful old house, but the broken windows____ its appe

It is a beautiful old house, but the broken windows____ its appearance.
A、improve
B、 ruin
C、 change
D、prove
【正确答案】：B
【题目解析】：考查动词词义。四个选项均为动词。选项A. improve(改善,增进);选项B.ruin(毁灭,使破产);选项C. change(改变,交换);选项D. prove(证明,检验)所以,根据句意,选B【参考译文】这是一座漂亮的旧房子,但是破窗户破坏了它的外观。