1. They saw each other on alternate Sundays.
    他们每隔一个星期天相会一次。

2. On Sundays, hundreds of people come from the city to see our town and to walk through the woods.
    每适星期天，有许许多人从城里来观赏我们的小镇，并在树林中散步。

3. On Sundays the girls would not allow him to work; he was theirs for the whole day.
    星期天，女儿们不让他工作；他一整天都是她们的。

4. It was Sunday. I never get up early on Sundays.
    那是个星期天，而在星期天我是从来不早起的，