问题
选择题
When the boss got to the factory ________ midnight, he found it ________ ruins.
A.on; in
B.at; under
C.at; in
D.on; under
答案
答案:C
考查时间介词。at midnight“在半夜”;in ruins“成为废墟”。句意“当老板半夜到达那家工厂时,他发现工厂已经成为了废墟。故选C。”