I spent several years in France, ______ I never learnt to speak French．

His parents,       , didn’t look after him very well—the elbows of his jacket and his boots were badly worn out.

She felt ________ awkward because of her bad performance on the stage.

Nearly 200 people entered the area ______ to mine diamonds in 2000, and eventually had to be driven off by the police. 

 His face looks brown because he works ____ all day.