Question

句型转换。

①This is my ruler.（改为复数形式）     
    _____ _____my _____  .    
②Are those your sisters?（改为单数形式）     
    _____ _____your  ______  ?   
③He is my grandfather.（改为一般疑问句并作肯定回答）     
    _____ _____ ______grandfather?   
    _____,_____ _____.
④That is his friend.（改为否定句）    
    _____ _____ _____friend.

Answer 1

①These are; rulers
②Is that ; sister
③Is he your; Yes; he is
④That isn't his