单选题 (It is said) that Einstein felt (very) (sad) about the application of his theories (onto) the creation of weapons of war.
  • A. It is said
  • B. very
  • C. sad
  • D. onto


【正确答案】
【答案解析】改为to。apply A to B“将A应用于B”是固定结构，当apply转为名词application时，也还保留该介词，不该用onto。