Many people agree that knowledge of English is must in international trade today.

admin2014-09-17  47

问题 Many people agree that knowledge of English is must in international trade today.

选项

答案∧knowledge—a

解析 knowledge虽然是不可数名词,但是在固定用法“a knowledge of sth.”中表示“对……略知一二”。
转载请注明原文地址:https://jikaoti.com/ti/SKsYFFFM
0

最新回复(0)