Question

1. It was________great shock to the world that two aero-planes crashed into ______World Trade Center in New York o September 11th, 2001.

A. a; /  B. a; the   C. the; the    D. /; the

Answer 1

B

解析:

选B。shock指代具体事情时为可数名词，a great shock意为“一次沉重的打击”；由普通名词构成的建筑类专有名词需加冠词，故答案为B。