Anna looked up, surprised to be spoken to after so lengthy a silence.

There was a lengthy silence from the other end of the line.

There was a lengthy silence, and then another creak, as if the same something were walking back across the room again.

Then after a lengthy silence, she turned back to him, eyes searching his face intently.

After a lengthy silence, she turned to face me.

Aware of her lengthy silence, he turned away from his introspection.

After a lengthy silence, Kit finally drew away from her.

"Whoever this young man is I'd like to thank him," her father continued after a lengthy silence.

There followed a lengthy silence as he tried to come up with something.

After a lengthy, painful silence, Del turned her head away.