1．(2020·全国卷Ⅲ)“We floated the idea to my mum of sharing at a house，” says Kathryn Whitehead. 提出(想法)
2．(2020·新高考全国卷Ⅰ)He turned to the forest department for help but was told that nothing would grow there. 部门
3．(2019·北京卷)Earth Day, marked on 22 April, is an annual event aiming to raise public awareness about environmental protection. 旨在
4．(2018·全国卷Ⅱ)Forms will be available in school and online for them to indicate their choices and return to school. 表格
