Practice is good ________ health.

1. A.
   for
2. B.
   at
3. C.
   in
4. D.
   20

 Practice makes perfect. It is _______ of becoming a successful learner.

Practice more, ________ you’ll do better in playing chess.

Practice makes perfect. It is _______ of becoming a successful learner.

1. A.
   one of the secret
2. B.
   one of the secrets
3. C.
   one of secret
4. D.
   one secrets