2020-05-07 11:43 发起提问

2018-06-09 19:13 发起提问

2018-06-07 10:36 回答问题

family不是集合名词吗?单复数同型嘛。就像government，the government is facing problems. the government has made it clear. we are animals。we are humankind。we are family

2018-06-06 21:10 发起提问

2018-05-19 09:40 回答被采纳

2018-05-18 21:38 发起提问

2018-01-19 14:57 回答被采纳

2018-01-16 17:11 回答被采纳

2017-12-02 15:25 回答被采纳

2017-12-01 18:25 发起提问