这家餐厅在七点开门供应晚餐。

The restaurant opens for dinner at ___seven o'clock.

我们一周营业七天。

We're open ___seven days a week.

明天我将在六点完成工作，所以我想我会在七点到达你家。

Tomorrow I'll finish my work at six o'clock, so I think I'll arrive at your home at ___seven o'clock.