themistakesinredinkisoneofthewaysthatteachersusu...

问题详情：

        the mistakes in red ink is one of the ways that teachers usually use to remind students to pay attention to their work.

A. Underlined     B. Underline    C. Being underlined    D. Underlining

【回答】

D

知识点：非谓语动词

题型：选择题