1.   It was high - heaven only knew how he had got up there!

2.   Kenyon must see it through or heaven knows what will become of the station.

3.   People live together - Peter and Miranda are Bohemian enough, heaven knows.

4.   What effect it will have on the result, heaven only knows.

5.   The house, of course, would have to be sold, although heaven alone knew who would buy an old barn like that these days.

6.   So she could find her own way back to the apartment and hole up there, could she, while he did heaven knew what in France?

7.   Although heaven knows we tried to keep it there.

8.   You had got perms and heaven knows what on the go.

9.   But what it is, heaven only knows.

10.   And heaven knows it makes good copy for scribblers like me.