作业帮A.that B.what C.it was D./
来源：学生作业帮 编辑：作业帮 分类：英语作业 时间：2024/05/27 02:42:42
A.that B.what C.it was D./
_A.__ the dog was the first animal to be domesticated is generally agreed upon by authorities in the field.
_A.__ the dog was the first animal to be domesticated is generally agreed upon by authorities in the field.
答案是a.
1.因为所填的介词因在这引导一个主语从句the dog was the first animal to be domesticated.在英语关系从句中,只有that可以引导主语从句,放在句首.
2.因为主语从句是一个完整的句子,而what在定语从句中是充当成分的,所以b不正确.3.而it was后面引导的是宾语从句,或在句型“it is /was.that..."中引导主语从句,由于题目中所选介词后引导的是个主语从句且该主语从句是一个完整的句子,因此c不正确.
4.而d选项,若不填,则题目中,在一个句子中会出现两个谓语“was”和“is”,这违背英语语法.
1.因为所填的介词因在这引导一个主语从句the dog was the first animal to be domesticated.在英语关系从句中,只有that可以引导主语从句,放在句首.
2.因为主语从句是一个完整的句子,而what在定语从句中是充当成分的,所以b不正确.3.而it was后面引导的是宾语从句,或在句型“it is /was.that..."中引导主语从句,由于题目中所选介词后引导的是个主语从句且该主语从句是一个完整的句子,因此c不正确.
4.而d选项,若不填,则题目中,在一个句子中会出现两个谓语“was”和“is”,这违背英语语法.
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