Mrs. Shaw says this because kind and pleasant words make people like you. She believes saying the right things helps form friendships and keeps conversations going smoothly without making others feel uncomfortable or offended during a visit.
Class 7 English Poorvi Chapter 3 Say the Right Thing solutions
Class 7 English Poorvi Unit II Wit and Humour Chapter 3 Say The Right Thing Question Answer
Mrs. Shaw advises Mary to say things that will please the guests because she believes kindness and pleasant conversation make people feel welcome and appreciated. She explains that when guests feel comfortable and entertained, they are more likely to enjoy the visit and form a positive opinion. This is especially important for Mrs. Shaw, who is hoping to build friendships in the new town. Pleasing words help in forming connections and preventing awkward or silent moments.
For more NCERT Solutions for Class 7 English Poorvi Unit 2 Wit and Humour Chapter 3 Say The Right Thing
https://www.tiwariacademy.com/ncert-solutions/class-7/english/