1、I have a brother.(改为否定句） 2、Tom goes to school at seven in the morning.(用What time 提问）
题目
1、I have a brother.(改为否定句） 2、Tom goes to school at seven in the morning.(用What time 提问）
1、I have a brother.(改为否定句） 2、Tom goes to school at seven in the morning.(用What time 提问） 3、His brother is working in Canada.(用where 提问） 4、I go to school on foot.（用How 提问）
答案
1.I don't have any brother ( 否定句变 some 为any)
2.What time does Tom go to school in the morning?
3.where is his brother working?
4.How do you go to school?
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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