Choose the best prepositions to complete the sentences.

Choose the correct option.

Many good athletes carry [through|off|out|on] prizes during the Olympics.

It is important to carry this project [through|off|out|on] even if it is difficult.

We should carry [through|off|out|on] with our work while we are gone.

My friend never carries [through|off|out|on] his promises to come. He is so forgetful!