A-A+ In the writer's opinion all-glass windows wer 2022-08-02 00:00:51 问答库 阅读 168 次 问题详情 In the writer"s opinion, all-glass windows were not an improvement because they were less ______.A.healthyB.attractiveC.economicalD.hard-wearing请帮忙给出正确答案和分析,谢谢! 参考答案 正确答案:A