UC知道He tried the door very hard, but it ______ open
来源：百度知道 编辑：UC知道 时间：2024/06/06 03:23:28
A. couldn’t B. wouldn’t C. shouldn’t
B，请讲解一下
B，请讲解一下
Couldn't 表示不能。虽然翻译成中文感觉是对的，但要知道这是学英语的大忌。It couldn't 表示的是客观的不能打开，意味着不可能被打开。而如果前面用 he...open 的话， A 就是正确的。
Shouldn't 表示不应该，明显不对。
指他想努力的打开门，可是门不开。
答案是B，
A项用于主观的状态，譬如I couldn't do 。。。。。。
C项不用说了
B项表示食物本身的状态或者性质，它是关着的，它没法打开。犹如~he tried to start the car ,but i wouldn't start.
The hacker tried many times before he finally___the passwords.
He tried to stand on his hands for give minutes, ____ is rather a difficult thing to do.
Do you know the reason _____ he gave is believable?
Do you know the diffculty he had ____the work.
do you know the difficulty he had________the work(finishing)
He always thinks___he can do more for the people.
【在线~！！！】Do you know the reason ____ he was late?
he made me do the homework.这句句子中，do the work 做什么成分？
He is so tried that he can't carry the box中的can't可以改成doesn't吗？
选择 He always thinks of _____ he can do more for the people.