Shall I buy sth for you?中的shall

shall i buy simething for you? shall i buy something for you? Shall I buy acup of tea for you? shall i buy a cup of tea for you? .—Shall I buy a cup of tea for you? 1.Shall I buy a cup of tea for you? Shall I buy a cup of tea for you?可不可以回答成No,I won't shall I appreciate you for you examination? – Shall I buy a cup of tea for you?–________.（不,不要.） Shall I fetch your coat for you? shall i get them for you?翻译 1.shall i buy a cup of tea for you A no,you won't B no,you a