1her mother can （sing English）.划线提问 2She can make a model plane【改为疑问】
问题描述：
1her mother can （sing English）.划线提问 2She can make a model plane【改为疑问】
3 Helen can play the violin（改为否定句）4 Ben can play the guitar（划线提问）快点啊!
答
1.What can her mother do
2.Can she make a model plane
3.Helen can't play the violin.
4.What can Ben do
不明白的再问哟,请及时采纳,多谢!