nine
o'clock
Lise must have wondered why I did so . Then I made a sign to her to go . `` Go , Lise , or you 'll betray me , '' I said . `` Come to-morrow here at nine o'clock and be alone , then I can talk to you . '' She hesitated for a moment , then went up the garden . `` We ought not to wait till to-morrow to speak to Mrs. Milligan , '' said Mattia . `` In the meantime that uncle might kill Arthur .