单句改错。
The teacher told the students that they will have a picnic at the weekend．
So as not to lose the job, he kept silent about the accident．
He is interested in politics, so he is quite concerning about the relationships between China and other countries．
They had a face to face conversation．
A series of stamps are going to be published next month．
The bad weather added up to our difficulties．
It was in the lab where I picked up the wallet．
When studied in the USA, they traveled a lot．
短文改错
假定英语课上老师要求同桌之间交换修改作文，请你修改你同桌写的一下作文。文中共有10处语言错误，每句中最多有两处。错误涉及一个单词的增加、删除或修改。
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(＼)划掉。
注意：1．每处错误及其修改均仅限一词；
2．只允许修改10处，多者(从第11处起)不计分。
One day, I was cooking in the kitchen when the telephone rings．I went to answer it immediate．She was my close friend, Lisa．When we were talking in the phone, the fire alarm sounded．I ran back to the kitchen．The room full of smoke and beef was badly burnt．I quickly turned off the gas, opening all the windows, and then went out of the house．In my surprise, two fire engines were outside our house．
I was rather worried．I told about the firemen that it was my careless cooking which
caused the heavy smoke．
单句改错
下面各句中有错误，请指出并改正。(注意：只有一处错误)
When to hold a meeting to settle the problem haven't been
decided．
1．________
He promosied me that he will never lie to me again．
2．________
Tom never gave in any difficulties．
3．________
He worked here since graduation．
4．________
I am very sad because I have no partner to speak English．
5．________
They made up their mind to work hard．
6．________
It is a great fun to go camping with friends．
7．________
I agree with what you said but I don't agree with anything．
8．________
The policeman couldn't see which direction the car went．
9．________
After he failed once, he tried the second time．
10．________