Are there any ducks?(做肯定回答) There´s a vase on the desk（

Are there any ducks?(做肯定回答) There´s a vase on the desk（ Are there any ducks on the water?怎么回答 Are there any books on the desk? there books on are desk the any There's a book on the desk变一般疑问句并作肯定回答 ___ any books on the desk?A.There is B.There are C.Is there are ducks any in river there the(?) Are the books on the desk?作肯定回答,Yes,they are .而不是,Yes,there is there a pen and some books on the desk?肯定回答是yes,there is There are teo ducks and a boat on the river. there is a book and aruler on the desk改成一般疑问句,做否定和肯定回答 there books desk are Lily's on any