Question

【題目】（2014海淀一模）He was about halfway through his meal _____ a familiar voice came to his ears.

A. why B. where

C. when D. while

Answer 1

【答案】C

【解析】試題考查when引導(dǎo)的時間狀語從句，when可以表示“當(dāng)…時候”，也可以表示 “這時”，相當(dāng)于at that time，句意：他剛吃完一半的飯這時聽到一個熟悉的聲音。選C。