-- I can’t believe that Jeff _______ have quarreled and fought with his boss.-- Well, if one _______ ask for trouble, it just can’t be helped.
Your didn’t pass the driving test . _____, you failed.
Only in this way, _______succeed in solving the problem.
On Christmas Day, children had _____ singing, dancing and playing games.
______ when he was young, he would have a good job now.
______the most famous musician in the world, he earns a lot of money every year.