谁能给我30道英语改错题，并附有答案的

具体问题：My heart sank when I open the front door and 1.______
saw Mrs. Liu. Whatever she called, she stayed for 2.______
hours and hours. But this time, she stayed for 3.______
several hours till nearly 6 o'clocks. I had lots of 4.______
homework to do it. I couldn't stand her any longer. 5.______
So I tried to persuade her leave without feeling 6.______
unhappy. I asked her that her husband had got home 7.______
from job, and maybe he was worried about her because 8.______
it was so late. But, instead of leaving, she was going to 9.______
phone her husband to come round, too.
What unwelcome visitor! How tired and disappointed I was! 10.______

具体答案： 1.open--opened.因为这篇文章是过去式。
2.whatever--whenever.看后面的，讲的是时间。
3.But改成And。并不是转折的，廷尉从下文就可以看出来，她这次仍然待了很久。
4.clocks--clock.没有那么说的。。没有复数。
5.it去掉，重复啦。
6。leave前面加上to. 因为pesuade sb to do.
7.在that后面加上if。我问她他丈夫是否下班。
8.正确。
9.so