TakeamapofNewYorkwit的精选

问题详情：TakeamapofNewYorkwithyouwhiletraveling_____youhaveaguideorknowthecitywell. Auntil    Bif  Cunless   Dbecause【回答】 C.此题考察由unless引导的条件状语从句。句意为“除非你有导游或这你...