--I am afraid I can’t return the book to you before Friday.

---       

A.      Don’t be afraid    B. Be careful     C. Not at all     D. Take your time

—I am afraid I can’t return the book to you before Friday.

— ______. A. Don’t be afraid　 B. Be careful　 C. Not at all　 D. Take your time

 ---I am afraid I can’t return the book to you before Friday.

     ---       .

A.  Don’t be afraid  B. Be careful  C. Not at all  D. Take your time

---I am afraid I can't return the book to you before Friday.

---________.

1. A.
   Don't be afraid
2. B.
   Be careful
3. C.
   Not at all
4. D.
   Take your time

——I am afraid I can’t return the book to you before Friday.
——    

1. A.
   Don’t be afraid
2. B.
   Be careful
3. C.
   Not at all
4. D.
   Take your time