问题 更新时间2023/4/3 12:59:00 [填空题,0.7分] Put the following words in appropriate groups :physics, news, stationery, crowdA. Singular only: _______________B. Both singular and plural: _____________ 答案 登录 注册 教师释疑: A. physics, news, stationery B. crowd 出自:联大 >> 当代英语语法概论