Question

【题目】It took about hour to get to the train station．
A./
B.a
C.all

Answer 1

【答案】C
【解析】句意：到达火车站花费了一小时。hour是可数名词并且是单数形式，元音音素开头，故不定冠词用an，意为一个小时，故选C。