Question

【题目】The train went through _______800-meter-long tunnel (隧道) at _______ high speed.

A. a; aB. an; /C. an; theD. a; /

Answer 1

【答案】D

【解析】

试题句意：火车以高速穿越了那条180米长的隧道。此题考查冠词，one hundred and eighty是以辅音因素开头的词，故用a。根据句意，应选D。