【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)
指出下列句中主语的中心词 1 The teacher with two of his students is walking into the classroom. 2 There is an old man coming here. 3 The useful dictionary was given by my mother last year. 4 To do today's homework without the teacher's help is very difficult.
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参考答案:
![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)
参考解析:
![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)
举一反三
![](https://cos-cdn.shuashuati.com/shuashuati-wap/asset/rightlogo.png)