对划线部分提问 This is jack.(jack为划线部分)This is jack.(jack为划线部分)_____ ______this?
问题描述:
对划线部分提问 This is jack.(jack为划线部分)
This is jack.(jack为划线部分)_____ ______this?
答
What is this
答
This is jack.(jack为划线部分)【Who is】this?