Why do you insist on buying a car ______ you have such good public transportation here

________ that’s important is that you are doing your best and moving in the right direction.

Tom has been absent for two days．Do you know what _________ to him?

Someone who lacks staying power and perseverance is unlikely to ___a good researcher.

It was with great joy _____ he received the news that his lost daughter had been found. [ ]