remain a mystery

When and whether she will return home remains a mystery.

But the nature of the other process remains a mystery.

Where he was for the month between remains a mystery, even to his mother.

What happened to the three remains a mystery until late in the game.

He would remain a mystery, and I'd probably never hear from him again.

How much of the money has actually been spent remains a mystery.

How she will find the time for it remains a mystery.

What exactly happened at the home, though, remains a mystery.

For such a public group, much about it remains a mystery.

But exactly where all the money went remains a mystery.

Exactly how she makes us care so much about him remains a mystery to me.

Though why anyone would want to do so remained a mystery.

But try as she could, he remained a mystery to her.

Probably she has never died, her story still remains a mystery.

How this year's story will play out remains a mystery.

Until the end he remained a mystery even to those who knew and worked with him.

Yet to many, perhaps most, Americans, they remain a mystery.

His age remained a mystery, as did the cause of death.

What to give the baby, however, remains a mystery to me.

Why he did not pay the full amount must remain a mystery.

Yet now, more than ever, he remained a mystery to her.

What he had been thinking and feeling remained a mystery.

The question of who actually designed the building remains a mystery.

Whatever has happened remains a mystery, but it's a really big one.

However why he played in so few games remains a mystery.