Question

（2011·河南郑州四中第一次调研）Department of Homeland Security and CIA produced ______ joint report on Monday warning that ______ next 911 could in fact occur on ______ different date.

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

Answer 1

B考查冠词的用法。第一空泛指“一份联合报告”；第二空特指“下次911事件”；第三空泛指“一个不同的日期”。