1-Are those your sons?(改为单数形式) 2-Are those his keys?(改为单数形式)

问题描述:

1-Are those your sons?(改为单数形式) 2-Are those his keys?(改为单数形式)
zoo(改为复数形式 )
This is my brother.(改为一般疑问句)
Are your her sister?(作否定回答)

1 Is that your son?
2 Is that his key?
3 zoos
4 Is this your brother?
5 No,I am not