is this that變複數怎麼變

IS變are
this變these
that·變those

RELATED INFORMATIONS

1. this is a box.變複數句___________？
2. This is a pen and that is a knife改為複數形式
3. This book is in that box.（改為複數形式）
4. this is knife in the box（變複數句
5. 把下列句子由單數變為複數或由複數變為單數.1、This is a book.2、That is a box. 3、Are those rulers？4、What are these.5、They are toys
6. This is my dress.改成複數句.
7. This dress is pretty.（改為複數句）
8. is this your dress？改為複數句
9. This dress is orange.（改複數句）
10. This is a tomato.（改為複數）適當形式填空 His joke madeevery（laugh） It's seven o'clocknow.TheBlacks（have）breakfast. Please be（quiet）in the library and read（quiet） The door is（open），buy nobody is in the room our（反義詞）twelfth（基數詞）
11. This is aman.Thatis a woman改為複數形式快，很急，現在就要
12. This is her watch.[變複數】
13. 把下列句子變成複數形式.This is a watch.
14. 1、This is a watermelon .2、It is a yellow shirt.3/That '；s my watch.變為複數怎麼變
15. Is this a watch？（複數）
16. this is a watch（改為複數句）
17. 根據要求改寫單詞：1、heavy（反義詞）---；2、this（複數）---3、knows（同音詞）---）
18. don't的原形（）this的反義詞（）foot的複數
19. these（反義詞）it（複數形式）that（複數形式）photo（複數形式）picture（複數形式）
20. mouse（複數）make（現在分詞）right（反義詞）this（複數）按要求改變詞形