给下列句子选择正确的答语。
(______) 1. Is he drinking water?
A.Yes, they are.
(______) 2. Can you take him to the park?
B.No, he isn’t. He’s eating.
(______) 3. Whose book is this?
C.He’s in the kitchen.
(______) 4. Are these all ours?
D.It’s Mike’s.
(______) 5. Where is Fido now?
E.Of course.