Do write and say I may come.

I'm so sorry I quarrelled with mother before you.

I promise never to quarrel with you.

I'm very good-tempered when I get what I want.' With much more to the same effect.
'We _will_ have her,' declared Mumford.

'Why not, if the old people keep away ?--You are quite sure she sounds her _h's_ ?' 'Oh, quite.