问题补充:
---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:
A. Does, writes
B. Is, writes
C. Does, writing
(答案→)D. Is, writing
解析: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
时间:2020-10-26 17:00:13
---Bob doing homework?
---No, he isn’t. He is a letter.
A. Does, writes
B. Is, writes
C. Does, writing
D. Is, writing
A. Does, writes
B. Is, writes
C. Does, writing
(答案→)D. Is, writing
解析: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