Before Oliver could reply another low tap was heard at the door.

At length a low tap followed by two others was heard at the door.

There was a low tap at the door.

A low tap at the door was heard.

A low tap and this door was opened.

Almost at the same moment there was a low tap at the door, and the servant-maid announced:

An hour had passed when he heard a low tap at the door, and Pierre came in.

She was crying tears of penitence and youthful misery when there came a low tap to the door.

Two minutes afterwards there was a low tap; she undid the fastenings, and there he stood, pale in the moonlight.

She was still walking about the room when there came a low tap at the door, and Lady Fawn entered.

He could not hear the low tap, tap, tap of his master's fingers against the glass of Nada's darkened window.

A low tap at the door diverted her thoughts, and a servant entered and gave her a package of letters from New York.

At that moment there came a rap at the door; it was a soft, low tap, yet it startled the viscount like a thunderclap.

Captain Ducie had retired for the night, and was sitting reading, when a low tap at the door roused him from a brown study.

A low tap at the door again betokened the presence of Lettice, who came to announce a warm friend of the Doctor's, one Master Eccleston.

Thus he missed the first three low taps on the wall of his hut.