John is collaborating with Mary in writing an article.

题库:综合类 类型:最佳选择题 时间:2017-07-03 03:10:29 免费下载:《简单单选》Word试卷

John is collaborating with Mary in writing an article.
A.cooperating
B.marrying
C.combining
D.arguing

本题关键词:白兰氏虫草菌丝体鸡精(BRAND′S ESSENCE OF CHICKEN WITH COEDYCEPS);