I was about to tell him the secret _____ someone patted me on the shoulder.A．asB．untilC．whileD．when
试题分析：
题目简介
I was about to tell him the secret _____ someone patted me on the shoulder.A．asB．untilC．whileD．when
题目详情
答案
试题分析：句意：我正准备告诉他这个秘密这时有人拍了拍我的肩膀。句式be about to do …when…意为：正准备做某事这时……。故选D。考点: 考查固定句式的用法。