您的位置: 首页 > 作业答案 > 其他 > Mrs Smith made a phone call to my mother yesterday evening.But she_______(not,be)in.Mrs Smith made a phone call to my mother yesterday evening,but she_______(not,be)in.怎么填?为什么?为什么不用didn’t?

Mrs Smith made a phone call to my mother yesterday evening.But she_(not,be)in.Mrs Smith made a phone call to my mother yesterday evening,but she_(not,be)in.怎么填?为什么?为什么不用didn’t?

分类: 作业答案 • 2021-12-19 16:21:16

问题描述：

Mrs Smith made a phone call to my mother yesterday evening.But she_______(not,be)in.
Mrs Smith made a phone call to my mother yesterday evening,but she_______(not,be)in.怎么填?为什么?
为什么不用didn’t?

答

由于but后应跟一个完整的句子.
而did作为助动词不能代替谓语,故句子中仍缺少谓语.
所以要用be动词,be动词可以充当谓语.
故答案为wasn't

Mrs Smith made a phone call to my mother yesterday evening.But she_______(not,be)in.Mrs Smith made a phone call to my mother yesterday evening,but she_______(not,be)in.怎么填?为什么?为什么不用didn’t?

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Mrs Smith made a phone call to my mother yesterday evening.But she_(not,be)in.Mrs Smith made a phone call to my mother yesterday evening,but she_(not,be)in.怎么填?为什么?为什么不用didn’t?