I was almost asleep last night when I suddenly heard someone ______ at the door.

游客2024-06-27  9

问题 I was almost asleep last night when I suddenly heard someone ______ at the door.

选项 A、be knocking
B、knocking
C、to knock
D、having knocked

答案 B

解析 本题考查对动词习惯用法的掌握。 hear sb. doing sth.意为听见某人正在做某事。
转载请注明原文地址:https://tihaiku.com/zcyy/3651727.html
最新回复(0)