Question

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

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。