（ ）pencil-box is this?填什么

（ ）pencil-box is this?填什么 this is her pencil box(否定句)一一一一一五个空格填什么 this is a pencil-box这个句子有什么错 This is a pencil box.对a pencil box 提问 This is a pencil box.(对” a pencil box”提问 ) is this her pencil box?改为陈述句 is this your pencil-box?的答语 Is this pencil box?(改为陈述句) 改为复句this is my pencil box 根据首字母写单词 look at the w(填什么） Mye(填什么） is in my pencil box Is 【this】 your pencil-box.问为什么用this. 句型转换.1.This is a pencil- box.（改为复数句）_______ ______ ______pen