Running a company is not _______ a matter of hiring people — they also need to be trained.

 —Have you finished your experiment report, Jane?—Oh, my God. I’ve _____ forgotten all about that.

The national parks are very important for the protection of these wild animals, which would ______ run the risk of becoming extinct.

___ the fact that he found math boring, he was still good at it.        

Though having failed several times, Tim, who didn’t give up his dream, _____ made his dream come true.