此题要求改正所给单句中的错误。对标有题号的每一句做出判断：如有错误（每句只有一个错误），则按下列情况改正：
此句多一个词：把多余的词用斜线（＼）划掉，在该句右边横线上写出该词，并也用斜线划掉。
此句缺一个词：在缺词处加一个漏字符号（^），在该句右边的横线上写出该加的词。
此句错一个词：在错的词下划一横线，在该句右边横线上写出改正后的词。
Everyone of us is working hard in the factory. _________________
I have caught a bad cold for a week and I can’t get rid of it. _________________
This is the steel plant where we visited last week. ________________
Following the road and you will find the store. __________________
This is all what Dr. Smith said at the meeting. __________________
He promised to come and see us after the supper. _________________
John came here to see you, but he had left five minutes ago. __________________
My mother is busy preparing for supper. __________________
I’ve heard him but I never know him. __________________
We got on the school bus and which took us straight to the People’s Park. ______