在哪里划线?
如果在three划线
答案:How many black T-shirts does Jack have?
如果在Jack下面划线
答案:Who has three black T-shirt?
如果在black T-shirt下面划线
答案:What does Jack has?
在哪里划线?
如果在three划线
答案:How many black T-shirts does Jack have?
如果在Jack下面划线
答案:Who has three black T-shirt?
如果在black T-shirt下面划线
答案:What does Jack has?