He speaks English like ___ English.

Everybody knows that sincerity is _____ key to success. ___ honesty of Rahim is enviable. I met Lisa who is a doctor in ___hospital. ---mother rose in her. He went to _ hospital because he had _ heart attack. He lives ---- comfortable life. She works six days ___ week. David is a European. He comes from . . . . UK. Which article is suitable for the gap? Which sentence is correct? He maintains___office.