Section Grammar&Writing第一板块单元语法复习主语和动词it holds is is covered to imagine Protecting is What is trapped sink Running is regarded was being followed It to remain is To teach writes is are entering invented前加been isareKeepKeepingThatWhatconsistsconsistingSeen from the plane looksvery beautifulFinding time to enjoy life worrying about what might happen in the future It is a pity that Where to go and when to leave 第二板块单元写作介绍一个地方word部分：请做：课时作业练能力练规范点此进入该word板块
