________ afraid, you can't pass the test.

1. A.
   Don't
2. B.
   Be not
3. C.
   Don't be
4. D.
   Not be

________ afraid of me．

1. A.
   Thief is
2. B.
   A thief is
3. C.
   Thieves are
4. D.
   Both B and C

[　　]

Tom, _________ afraid of speaking in front of people. You are the best one.

A. don’t??????? B. not????????????? C. not be????????? D. don’t be