These are apples变成单数形式

These are apples变成单数形式 are these apples?改为单数形式 these are apples 改为单数形式 These are apples改为单数形式 these are our apples改为单数句子 These are our apples改为单数 初一英语句型转换1.These are apples.（改为单数形式）______ is ______ apple.2. are they apples?改为单数形式 where are their apples 单数形式 将下列句子变为单数形式.1． These are apples.2.There are many peaches on these are new books.改为单数形式 these are chinese books 改为单数形式