87. Our efforts will pay if the results of the research can be applied to the research and development of new technology (能应用于新技术的开发).

88. I can’t boot my computer now. There must be something wrong (一定出了毛病) with its operating system.

89. Leaving one’s job, no matter what job it is / whatever job it is (无论是什么工作), is a difficult change, even for those who look forward to retiring.

90. Compared with the place where I grew up (与我成长的地方相比), this town is more prosperous and exciting.

91. Not until he had finished the mission (直到他完成使命) did he realize that he was seriously ill.