Question

In the 1930s, the two countries were at ______ war, and his father was fighting at _____ front.

A．the; 不填

B．不填; the

C．the; the

D．不填;不填

Answer 1

B

试题分析：at war 处于战争状态是固定搭配，at the front 在前线，结合句意，故选B
点评：在学习冠词的用法时，一般用法要注意，还要注意它们的固定搭配，日常要多多积累。