what's that?(those)、This is a dog.（these）、He's a teacher.（they）、is this a new bookwhat's that?(those)、This is a dog.（these）、He's a teacher.（they）、is this a new book（these）改复数 括号里的是提示
问题描述：
what's that?(those)、This is a dog.（these）、He's a teacher.（they）、is this a new book
what's that?(those)、This is a dog.（these）、He's a teacher.（they）、is this a new book（these）改复数 括号里的是提示
答
what are those? these are dogs. they are teachers. are those new books
答
1、What's that?(those)What are those?那些是什么?2、This is a dog.（these）These are dogs.这些是狗.3、He's a teacher.（they）They are teachers.他们是老师.4、Is this a new book?（these）Are these new bo...