The dentist in(in the Balck Street)is sitting in an armchair near the fire.——对括号内的部分提问

Which dentist is sitting in an amchair near the fire?那The denstist in Black Street is sitting in an armchair (near the fire).——对括号内的部分提问。 答:____ ____is the dentist in the Black Street sitting in?(有两个空)