2. 职称英语
  3. The guards (leave) ______ the building by the time the alarm sounded.had left本题考

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

游客2023-09-22  57
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:http://tihaiku.com/zcyy/3035524.html
相关试题推荐
随机试题
最新回复(0)