the teacher came into the classroom,______dictionary under _________arm Aa,aBan,aCthe,theDx,x
问题描述：
the teacher came into the classroom,______dictionary under _________arm Aa,aBan,aCthe,theDx,x
答
D为什么AB不能选， a dictionaryan armAB组合是不正确的C the 特指，the dictionary 某一字典，进来的时候根本不知道是什么字典，怎么特指还有这么问的with a dictionary under his arm