“lingering question”造句，怎么用lingering question造句

But the lingering question is, Why at sea?

After digesting yesterday's news, some lingering questions remain.

The lingering question then is this: is Woods embracing religion because in the vernacular of rehab, it's the expected thing, a mandatory stop in the narrative arc of celebrity flameouts?

The mission should answer some lingering questions about just what is this Pluto thing anyway and how does it fit in the solar system’s family album?