选择适当的答案回答下列问题，并将其字母填入划线处。

(1)Are your keys under the sofa? ________

(2)Where's your hat?________

(3)What's under the table?________

(4)Is your alarm clock under the dresser? ________

(5)Where are you pencils________

a．Yes, they are.

b．My baseball.

c．No, it's not.

d．It's on the dresser.

e．They are on the table.