Using coordination:The writer has written a new novel. He is als

Using coordination:
The writer has written a new novel. He is also a teacher.
【正确答案】：The writer and teacher has written a new novel.
【题目解析】：如果两个单数名词指同一个人、同一事物、单一概念时，谓语动词要用单数，有时两个名词共用一个冠词。