语法与词汇 He would have finished his college education, but he _____to quit and find a job to support his family.
【正确答案】 C
【答案解析】句意：他本可以完成大学学业，但他不得不退学找一份工作来养家糊口。“would+have+done”虚拟语气，表示对过去事情的假设，意思是“本来会做”。由此可知，退学是发生在过去的事情。因此，本题的正确答案为C。