问题
选择题
--- Bob doing homework?
---No, he isn’t. He is a letter.
A．Does, writes
B．Is, writes
C．Does, writing
D．Is, writing
答案
答案：D
这是一个现在进行时的一般疑问句，所以应用is来提问,write的现在进行时是writing故选D
搜题请搜索小程序“爱下问搜题”
--- Bob doing homework?
---No, he isn’t. He is a letter.
A．Does, writes
B．Is, writes
C．Does, writing
D．Is, writing
答案：D
这是一个现在进行时的一般疑问句，所以应用is来提问,write的现在进行时是writing故选D