谁帮我把英文句子改成问句

问题描述:

谁帮我把英文句子改成问句
第一题:She wants to learn English becauseshe wants a better job 第二题:THose books cost one dollars 第三题:THose girls were selling newspaper there 第四题:They thavel by car

1.Why does she want to learn English?
2.How much do those books cost?
3.What are those girls doing/selling there?
4.How would they go?