2020届英语专四专八语法与词汇练习题（后附详细答案）Most worthwhile careers require some kind of specialized training. Ideally, therefore, the choice of a(n) (31) _ should be made even before the choice of a curriculum in high school. Actually, (32) _most persons make several job choices during their working live， partly (33) _ economic and industrial changes and partly to improve their positions. The one perfect job does not exist. Young people should therefore (34)_ into a broad flexible training pr
