近日,教育部、国家语委联合发布《国家中长期语言文字事业改革和发展规划纲要(2012~2020年)》,我国将建设古今汉字全息数据库,收集整理中国古今汉字,厘清汉字发展演变的历史。此举是基于
_____ deep down in the earth, the dead forests rotted away and became coal.
Only when class began _______that he had left his book at home.
—I have to get to the post office by six o’clock, but it is almost six now. —This clock is fifteen minutes fast.
Information has been put forward that more middle school graduates will be to universities.
There is not much time left, so I’ll tell you about it.