four o'clock
The worst of it was that Miss Mitchell seemed to take the side of the boarders . `` I ca n't have you day-girls coming in the evenings to rehearse ! '' she decided . `` No , I ca n't allow you to stay at four o'clock either , because the boarders must get their walk before tea . It would upset all our arrangements . Perhaps we may put some of you in a tableau , because that really would n't need much preparation . '' A tableau !