把Tom is running in the classroom改为一般疑问句 Is Ben noisy in the library做肯定回答和否定回答 还有
题目
把Tom is running in the classroom改为一般疑问句 Is Ben noisy in the library做肯定回答和否定回答 还有
Mary and Jack are talking in class改为一般疑问句
Is there a museum near the train station?改为肯定回答和否定回答
There are many buses at the bus station改为否定句
答案
Is Tom running in the classroom?含有be动词的句子改为一般疑问句把be动词提前.
Yes,he is ,/ No.he isn't
Are Mary and Jack talking in the class?
Yes,there is./No,there isn't.
There aren't any buses at the bus station.There be 句型的否定句在BE后面加not,
举一反三
已知函数f(x)=x,g(x)=alnx,a∈R.若曲线y=f(x)与曲线y=g(x)相交,且在交点处有相同的切线,求a的值和该切线方程.
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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