
1. If I ……….the same problem you had as a child, I might not have succeeded in life as well as you have.
2. ………then what I know today,I would have saved myself a lot of time and trouble over the years.
3. Unless you …… all of my questions,I can’t do anything to help you.
4. If I weren’t working for an accounting firm, I.... in a bank.
5. If he …..a thorough knowledge of English, he could have applied for this post.