The Wilsons lived in A-shaped house in the mountain during World War II.A. a theB. an

问题补充：

The Wilsons lived in A-shaped house in the mountain during World War II.

A. a, the

B. an, the

C. an, /

D. a, /

答案：

A. a, the

B. an, the

(答案→)C. an, /

D. a, /

解析：考查冠词。A-shaped以元音开头，所以用不定冠词an修饰；World War II是由普通名词构成的专有名词，不用冠词修饰。所以选C。