Friends of the Earth help keep the environment clean.对“ keep

来源：学生作业帮编辑：神马作文网作业帮分类：英语作业时间：2024/09/25 03:28:26

Friends of the Earth help keep the environment clean.对“ keep the environment clean”提问
如题

What do friends of the Earch help?
Friends of the Earth 是主语：地球的朋友；谓语动词是 help
"keep the environment clean"是宾语,对宾语的提问
谓语动词是行为动词时,必须在句首加上助动词Do、Does（三单）、Did（过去式）加上这些助动词后,句子中谓语动词必须用原形.
eg.1)Edison built a science lab himself when he was ten.（改成疑问句）
______ Edison ______ a science lab himself when he was ten?
2)Those Japanese like Chinese food.（改成疑问句）
______ those Japanese ________ Chinese food?

Friends of the Earth help keep the environment clean.“ keep Friends of the Earth help keep the environment clean.对“ keep Friends of the Earth help keep the environment help keep the environment clean意思 ( ) Friends of the Earth can keep the environment ____.A.cle Friend of the Earth help keep the environment.为什么不加to? Friends of the Earth are the people who help to keep the e__ Everyone should keep the environment(cleaning)?为什么不用clean? 求一篇关于keep the environment clean的英文 We promise to keep the Earth clean.(对划线部分提问)(划线的是keep the Ea 英语The important thing is to keep the earth clean. Friends of the Earth look after the environment.