这里dinner应该加s吗?dinner是不是可数?

问题描述:

这里dinner应该加s吗?dinner是不是可数?
Both Jane and Bill are tired when they arrive home at 6p.m.Bill is accustomed to sitting down and reading a paper or watching TV until dinners is ready .

如果后面接is,就不应该加S.
dinner 可数.