Question: he is not always a voluntarily recluse, in a sense, he is a evader of a variety of idea trends and activities.
Answer: --> He is not always a voluntarily recluse, in a sense, he is a evader of a variety of idea trends and activities.

Question: on a heavily tree-lined prague street, stands the city’s cosiest café—a prague café with a typically young atmosphere, upholstered chairs, a few tables and sofas.
Answer: --> On a heavily tree-lined Prague Street, stands the city’s cosiest café—a Prague café with a typically young atmosphere, upholstered chairs, a few tables and sofas.

Question: and oman has undergone a tremendous change since it became independent of great britain. until the coup of 1970 oman was a closed country with a medieval government and extreme poverty.
Answer:
--> And Oman has undergone a tremendous change since it became independent of Great Britain. Until the coup of 1970 Oman was a closed country with a medieval government and extreme poverty.