把下列句子改成一般的疑问句,并作肯定和否定回答!
问题描述：
把下列句子改成一般的疑问句,并作肯定和否定回答!
1.My pencils are on the desk.2.The cat is in the tree 3.The bebroom is clean 请做题,
答
1.Are my pencils on the desk?
Yes,they are/No,they aren't.
2.Is the cat in the tree?
Yes,it is/No,it isn't
3.Is the bebroom clean?
Yes,it is/No,it isn't