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请教各位几道语法改错题,错误已标出,求解释为什么错,应该改为什么

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/29 02:16:20
请教各位几道语法改错题,错误已标出,求解释为什么错,应该改为什么
1.For most of their history,especiallysince the 1860's,New York Cityhas been undergoing major ethnic population changes.(their)
2.Most of our ideas of what ancientpeople looked and dressed come from the works of Renaissance artists.(what)
3.All nations may have to make fundamentalchanges in their economic,political and the technological institutionsif they are to preserve the environment.(the technological institutions)
4.Massachusettes was first explored in the latesixteenth and early seventeenth centuries,and the first permanent settlementat Plymouth in1620.(settlement)
5.Sarah Vaughan had a voice like a perfectinstrument,and it was an instrument that she knew how to use it withthe utmost skill.(to use it)
/>因为主语是New York City,为单数,所以Their应该为It's

What 改为How,因为是修饰后句的people look and dresses

去掉定冠词The  因为前面已经有Their,且这三个形容词要保持一致

应将名词改为动词Settled.

去掉IT,因为后句是个强调句,it was that...主语是instrument,that后面的都是修饰这个的,所以这个it指示代词多余.

答案仅供参考  谢谢!