我们每周日都去教堂做礼拜。

We attend church service every ___Sunday.

我每周都会买一份周日报纸。

I buy the ___Sunday edition of the newspaper every week.

星期天我们常去公园野餐，享受家庭时光。

On ___Sundays, we often have a picnic in the park to enjoy family time.