had opened 是过去完成时,had没有实际意义,配合动词的过去分词来表示时态.
过去完成时 表示过去的过去,从句用过去时,主句用过去完成时表示时间的先后.
I had hardly opened the door when he rushed in
I had hardly opened the door when he rushed in
had 在这里有什么作用?
had 在这里有什么作用?
英语人气：804 ℃时间：2020-02-03 20:50:28
优质解答
我来回答
类似推荐
猜你喜欢
- 1people who want to be friends have to learn to put up with annoying habits and to stand diffirences
- 21.Mary is satisfied with her new school,for her classmates were not___friendly to her.
- 3已知（3b-2）的平方+|2a-b-3|=0,求5（2a-b)-2(6a-2b)+4）+4a-3b-2)的值
- 4中国最早的诗歌总集是?
- 5计划15天修路1050米,如速度提高到原来的2倍,修一条长3500米公路要多少天?
- 677个连续自然数的和是7546,则其中第45个自然数是?
- 7倒三角符号怎么打?
- 8弹簧测力计是测量物体质量的仪器,
- 9已知a,b都是小于100的整数,且满足3分之a,2分之a加1是连续自然数,则数对(a,b)是多少?
- 10many things can cause stress in a child's