________ matters most in learning English is enough practice.

   A. What          B. It                             C. That                   D. As

 ________ matters most in learning English is enough practice.

   A. What          B. It                             C. That                   D. As

.

_______matters most in learning English is enough practice.

   A. What         B. Why             C. It             D. That

_______matters most in learning English is enough practice.

   A. What         B. Why             C. It             D. That

 _______matters most in learning English is enough practice.

   A. What         B. Why             C. It             D. That