Ⅰ 汤姆正在帮助妹妹做作业用英语怎么说
Tom is helping his sister with homework
Ⅱ 汤姆正在做作业用英语怎么说
Tom is doing his homework
Ⅲ 汤姆上周一写作业了用英语翻译怎么说
Tom wrote the homework last Monday.
汤姆上周一写作业了
Ⅳ 汤姆和马克正在写作业英语翻译
Tom and Mark is doing their homework.
汤姆和马克正在写作业。
Ⅳ 汤姆在写作业吗是的 他是 用英语怎么说
Is Tom doing his homework?Yes,he is
Ⅵ 正在写作业用英语怎么说（短语）
doing one's homework一定要有one's，固定的，其他网友的有错的
Ⅶ 我正在写作业，用英语怎么说
我正在写作业
I'm doing my schoolwork
I'm doing my homework
用现在进行时
祝你进步！
Ⅷ 汤姆正在帮助妹妹做作业用英语怎么说
Tom is helping his sister with her homework.
Tom is helping his sister (to) do her homework.
Ⅸ 汤姆每天用一个小时写作业。用英语怎么说
Tom spends an hour on his homework every day