When a word is created through changing its part of speech, the word-formation method is calledA.affixation B.compounding C.blending D.conversion 请帮忙给出正确答案和分析,谢谢!
The United States did not decide to enter World War II until after Japans surprise attack on Pearl Harbor in DecemberA.1940 B.1941 C.1942D.1943请帮忙给出正确答案和分析,谢谢!