他一直抚摸着孩子，直到很久后睡着了。before long是不久之前的意思，不能换。
解析 A。A 选项“had been thinking”是过去完成进行时;B 选项“has been thinking”是现在完成进行时;C 选项“was thinking”是过去进行时;D 选项“thought”是一般过去时。根据“before he fell asleep”可知,在睡着之前一直在思考,是过去的过去一直在进行的动作,用过去完成进行时,选 A。
从释义区别来看，"before"和"until"都是与时间和顺序有关的词。然而，它们在用法、使用环境、形象和影响范围上存在一些区别。1. 用法区别：- "before"表示在某个时间、事情或事件之前发生。例句：I wake up before sunrise.（我在日出前醒来。）- "until"表示某一时间之前一直持续或发生。例句：She...
如果难以说明的话,请教我一下例句。 KamenRiderSKZ 2021年9月11日 英语(美国) soon =すぐbefore long=やがてSoon is usually used to talk about the future. Before long is usually in retrospect, such as telling a story.He will fall asleep soon.Before long, he fell asleep. 查看翻译 1 like ...
(1)It was not long before the whole country rose up. (2)It will probably not be long before they understand each other.三、下列情况一般区别用until。 1.主句是持续性谓语动词时,肯定、否定都可以,但意义完全不同。肯定表动作终止,而否定表动作开始。例如: (1)We discussed the problem until/before...
2.The library was closed. Mary got to the city library. By__the__time/When__Mary__got__to__the__city__library,it__had__been__closed. 3.His friends waited for him for a long time. Mr.Lin arrived at the park. By__the__time/When__Mr.Lin__arrived__at__the__park,his__frie...
nothing but The young man could hardly believe his ears.Then he began to think how to get the gold from the old man.So the old man lay down and before long he fell asleep.ran awayas quickly as he could.
Long Before Ben He fell asleep.he dreamed that grew very very very small A seized him big cat in its mouth and ran away with him He kicked and screamed, but he could not get away, and the last cat At dropped him and he fell into a big pond sand He . Down, down into the cold...
4). He almost knocked me down before he saw me.2.主句谓语动词强调动作的迟缓性,只用before,这时常伴有时间段状语或时间段暗示.For example:It was quite a long time before he found the elephant.过了很长时间,他才找到大象.We had walked a long way before we found some water.走了很长的路我们...
Long Before Ben He fell asleep.he dreamed that grew very very very small A seized him big cat in its mouth and ran away with him He kicked and screamed, but he could not get away, and the last cat At dropped him and he fell into a big pond sand He . Down, down into the cold...