—Bob, you’re absent-minded!

—Oh, I’m sorry I ______ attention to you, Miss Shute.

A. haven’t paid       B. wasn’t paying      C. am not paying       D. won’t pay

― Bob, you're absent - minded !

― Oh, I'm sorry I ________ attention to you, Miss Shute.

A. haven't paid　         B. wasn't paying   C. am not paying　    D. couldn't have paid

---Bob, you’re absent-minded!
---Oh, I’m sorry I ______ attention to you, Miss Shute.

1. A.
   haven’t paid
2. B.
   wasn’t paying
3. C.
   am not paying
4. D.
   won’t pay

—Bob, you’re absent-minded!

—Oh, I’m sorry I ________ attention to you, Miss. Shute.

A. haven’t paid　　　　　　　　　　　　　　　　   B. wasn’t paying

C. am not paying　　　　　　　　　　　　　　    D. couldn’t have paid

---Bob, you are so absent-minded．

---Oh, I'm sorry．I ________ attention to you, Miss Shute．

1. A.
   haven't paid
2. B.
   wasn't paying
3. C.
   am not paying
4. D.
   couldn't have paid