问题补充:
单选题IwasalmostasleeplastnightwhenIsuddenlyheardsomeone______atthedoor.A.be knockingB.knockingC.to knockD.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。
时间:2021-02-09 21:20:28
单选题IwasalmostasleeplastnightwhenIsuddenlyheardsomeone______atthedoor.A.be knockingB.knockingC.to knockD.having knocked
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。
I was almost asleep last night when I suddenly heard someone at the door.A. be knockingB.
2024-04-27