1. The argument fails to rule out the possibility that a writer engage in both types of writing as well as other types.

结构：The argument fails to rule out[1] the possibility that …

Physically cut off from his people, he looks pretty powerless. Even within the past fortnight, Mr Sharon has publicly refused to rule out the possibility of kicking him into exile or even killing him. (the Economist, “A bloody vacuum”, October 2, 2004)

出处：

翻译：这则Argument并未排除这样的可能性，即一个作家可以同时从事两种或者多种类型的写作。

[1] Rule out: EXCLUDE，在Argument当中经常用到，表示“排除 … 可能性/选择(alternative)”