Are they ducks?怎样变为肯定句?还有No,they aren't.变为否定句,还有肯定回答和否定回答.求您了
问题描述：
Are they ducks?怎样变为肯定句?还有No,they aren't.变为否定句,还有肯定回答和否定回答.求您了
答
They are ducks.
Are they ducks?
No,they aren't.
Yes,they are.