These medicines are . . . . . . . for curing cold.

proper
real
effective
capable E. powerful

The correct answer is C. effective.

The other options are not as accurate.

  • Proper: This means that something is done in the correct or right way. It does not necessarily mean that something is effective.
  • Real: This means that something is true or genuine. It does not necessarily mean that something is effective.
  • Capable: This means that something has the ability to do something. It does not necessarily mean that something is effective.
  • Powerful: This means that something has a lot of strength or power. It does not necessarily mean that something is effective.

Effective means that something works well and achieves the desired result. In the context of the question, effective means that the medicines are able to cure the cold.