Friends of the Earth help keep the environment clean.对“ keep the _英语解答

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

人气：253 ℃　时间：2019-10-17 05:52:26

解答

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...