Question

(2013·嘉兴一中月考)Many people agree that ________ knowledge of English is a must in ________ international trade today.

A．the；an B．a；/ C．the；the D．/；the

 

Answer 1

B

【解析】a knowledge of为固定表达，意义“……方面的知识”，trade为不可数名词，表示泛指时不用冠词。