用英语单词组句,还要回答.1.Are these 2.Are those 3.Is there 4.Was there 5.Are there 6.Were there

are these your books?--- yes,they are./ no,they are not.are those footballs?--- yes,they are./ no,they are not.is there any book on the shelf?---yes,there is./no,there isn't.was there a king living he...