The guards(leave)______ the building by the time the alarm sounded.had left本题考查动

游客2024-06-26 37

问题 The guards(leave)______ the building by the time the alarm sounded.

选项

答案 had left

解析本题考查动词时态。状语by the time the alarm sounded“警铃响之前”通常表示主句的动作发生在时间状语之前，所以需要使用过去完成时had left。

转载请注明原文地址:https://www.tihaiku.com/zcyy/3651484.html

相关试题推荐

随机试题

最新回复(0)

Doctorsareconfidentthathe’llmakeafull(recover)______.recovery本题考查名词用法。空格前