那么就是说让我们根据最后一段提到的内容来概括这个事实（如何不让他妻子知道）80字以内，
如下：
Alfred only told his wife he worked in the Ellesmere Corporation. He dreessed in a black suit left home every morning and then changed into overalls as a dustman. He took a shower and changed back into his suit every night . He did this about two years and his fellow dustmen didn't told his wife this secret as well.
Then he found a new job as an office clerk, which means his wife would never know he had the experience as a dustman before.
5.新概念2 89课 summary writing怎么写Lesson 89 A slip of the tongue
The local cinema was packed because the P&U Bird Seed Company was presenting a free comedy show.As many of the artistes who should have appeared failed to turn up,the show was very dull.The funniest thing we heard came at the beginning from the advertiser who introduced the programme saying,'This is the Poo and Ee Seed Bird Company.Good ladies,evening and gentlemen!'
The local cinema was packed. The P&U Bird Seed Company was presenting a free comedy show but many of the artistes who should have appeared failed to turn up.Because of this,the show was very dull.The funniest thing we heard came at the beginning from the advertiser who introduced the programme saying,'This is the Poo and Ee Seed Bird Company.Good ladies,evening and gentlemen!'