Inthisexam,you’reaskedtowriteacompositionofabout

问题详情：

In this exam, you’re asked to write a composition of about ________.

       A. 90-words                 B. 90-word                   C. 90 words          D. 90 word’s

【回答】

C

知识点：构词法

题型：选择题