Inclass,weareaskedtowriteanarticleofabout

问题详情：

In class, we are asked to write an article of about _____. But writing _____ article is

  too difficult for me.

  A. 800-words; an 800-words        B. 800 words; an 800-word

  C. 800-word; an 800 words         D. 800 word; an 800 word

【回答】

B

知识点：构词法

题型：选择题