1.Our efforts will pay off if the results of research_____(能应用于新技术的开发).
　　2. I can’t boot my computer now .Something_____(一定出了毛病) with its operation system.
　　3. Leaving one’s job, _____(不管是什么工作), is a difficult change even for those who look forward to retiring.
　　4. _____(与我成长的地方相比), this town is more prosperous and exciting.
　　5. _____(直到他完成使命) did he realize that he was seriously ill.

　　答案与解析：
　　1.can be applied to the research and development of new technology
　　2.must be wrong
　　3.no matter what job it is
　　4.Compared with the place where I grew up
　　5.Not until he (had) accomplished his mission