Please answer! Use the drop-down menus to identify the type of error in each sentence or mark the sentence correct as written.

The point of the struggel is to win, so if the prize is not one, you have merely wasted your time.

Imagine that you work on your trumpet solo for weeks, the performance night finally arrives.

But you get nervous in front of the audience, and it is not successful.

You would not feel satisfied by your effort, but rather disappointed at not achieving your goal.