Digging a well is hard work.hard work前为何不加冠词?A diamond is very hard.diamond前为何加a?

The dog is digging a hole now .(digging a hole下划线提问） Digging a well is hard work.hard work前为何不加冠词?A diamond is very hard.diamond前为何加a? Digging a hole! He's digging a hole. They are digging a hole . Which of the tools is for digging? Is a beautiful girl and have never seen such a beautiful,Ha ha i very much hope is a mongolian people ha ha hadad lamb horse wine aobao I am an American,I know that Chinese people are dogs,the garbageHa ha ha ha ha Chinese is a dog What_you_?A_.There is a good stxie ha o 英语翻译Good evening,ladies and gentlemen,honorable judges and distinguished guest!This is Alex time!Ha-ha…My topic today is to show our gratitude to people around you.Then what is gratitude?At the moment a well-known song comes into my mind.Ye It seems that you English well,Ha ha if you are in a hole,stop digging 高中英语阅读练习题Polygamy is a funny thing―funny ha ha,as well as peculiar.One thinks of the 19th-century Mormon leader,Brigham Young,with his 55 wives (in those days,they said,women married Young).Devout (虔敬的) Mormons hold that a m The birds are digging a hole.(一般疑问句)把The birds are digging a hole。变成一般疑问句 英语里的身高怎么拼写谢谢了,Ha!Ha!The is very interesting.It has a giraffe neck 英语翻译The arrangements may result in the waste of future discoveries at sites such as Happisburgh in Norfolk,where digging is continuing after the discovery of stone tools made by early humans 950,000 years ago.If human remains were found at Ha 英语翻译The arrangements may result in the waste of future discoveries at sites such as Happisburgh in Norfolk,where digging is continuing after the discovery of stone tools made by early humans 950,000 years ago.If human remains were found at Ha