they____a big dinner togethr（had was were)画横线的该选什么

they____a big dinner togethr（had was were)画横线的该选什么 I had dinner 和 I was having dinner 的区别 had和was,were的区别是设么? Had has were was的区别 She(was/were)short then 括号里该选什么? has 和had,was ,were这些都是什么形态 1.We had a big dinner there.(big dinner 画线） --------（family）usually have dinner at home 横线该填什么, They had a big dinner yesterday.改成一般疑问句 when were you have dinner?还是when were you had dinner? 选择,横线上应该选什么? 英语中的had,was,were分别用在什么情况下?