(2013·福建泉州七中模拟)Whatever background you come from, you can be ________ successful with your hard work like many others.

–Do you need any help, Lucy? -Yes. The job is  ________ I could do myself.

I spent most of my money in the first week and________ had very little to eat by the end of the holiday. 

The committee is discussing the problem right now. It will ______ have been solved by the end of next week.

My parents will move back into town in a year or _______ .