mrs kaspbrak 's only reply had been an angry sniff ( in fact , she could n't just then think of an adequate verbal response , although she thought of dozens-some of them extremely cutting-later on ) , and when mrs van prett called her that evening , sounding rather anxious , to ask if mrs kaspbrak would be going to the beano down at saint mary 's with her like usual , mrs kaspbrak had replied coldly that she believed she would just stay home that evening and put her feet up instead .