1) At one.....paper was in short supply and was used mainly for important documents. a) positively b) obviously c) certainly d) absolutely 2) But more recently, growing economies and new teachnologies have....... a dramatic increase in the..... of paper used. a) Conscious , providing b) acquainted, delivering c) accustomed, providing d) familiar, contribuiting

排行榜

视觉风格

选项

切换模板

恢复自动保存: