She asked me if she __ type the letter?shall 也可以表示征求意见啊,why isn't shall?

1.Shall用于第一人称,表示征求对方的意愿.如：What shall we do this evening?2.Shall用于第一、第三人称疑问句中,表示说话人征求对方的意见或向对方请示.如：Shall we begin our lesson?When shall he be able to l...