气温一般用“______”表示,读作______. 发布时间:2017-05-17 19:24 │ 来源:www.tikuol.com 题型:填空题 问题: 气温一般用“______”表示,读作______.
题型:填空题 Thousands of trees must _______ every year. [ ]A. plant B. be planted C. have been planted D. have planted 查看答案