Hello! This OPL is about the expression at the crack of dawn. I hope you enjoy it. Please repeat to practice your pronunciation while you watch. I’m a bit tired today because I got up at the crack of dawn. I think I’ll have a nap now. See you next time!

Have you heard of Twitter? Do you use it?
Twitter is a social networking service. It allows users to send and read short text posts of just 140 characters. These posts are…

A Place In The UK: Sheffield
Sheffield is the 4th largest city in England (1.London, 2.Birmingham, 3.Leeds). It’s in the north of England in the county of South Yorkshire.
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City population: 534,500
Nickname: The Steel City
County: South Yorkshire
Cities and towns nearby: Doncaster, Chesterfield, Derby.
History
In the 14th century, Sheffield was already an area of industry. Knives were famous…