When it arrived I read all the instructions beforebeforetryi

When it arrived I read all the instructions beforebeforetryi when the article arrived,the editor read the first sentence When the article arrived ,the editor read the first sentence 英语改错题1.I read a book when he came in.2.The train has arrived I was sleeping when the UFO arrived When I arrived, they _________into the Cinema Though I have read the instructions several times,I can't op 8.when we arrived ,all the shops were closing down. When I read the next part of the story ,I found it ________ In the arbour,when he recovered it he read thus in it:'I am 46.When the article arrived,the editor read the first senten It was snowing when he arrived at the construction site.