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

游客2023-09-22 39

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://tihaiku.com/zcyy/3035220.html

相关试题推荐

随机试题

最新回复(0)

Heisawriter,______isknowntoall.A、thatB、whichC、whatD、thisB本题考点是非限制性定语