精选优质文档-倾情为你奉上定从1. The reason _ he gave us was that his car broke down on the way.A. why B. what C. how D. which2. More and more people go jogging in the morning, _benefits for health arise from the air rich in oxygen.A. which B. that C. whose D. who3. _ is known to as all is that the old scientist _ life was hard in the past, still works very hard in his eighties.A. as; whom B. what; whom C. what; whose D. as; whose4. She ll never forget her s