1Hisbooksareonthesof的精选

问题详情：句型转换1.Hisbooksareonthesofa.(改为一般疑问句)________ ________ booksonthesofa?2.Thoseareerasers.(改为单数句)________ is________ ________  .3.Wherearemypencils?(做出回答)________ _____...