问题
选择题
I know the teacher ________ Mary when he spoke of a bright girl.
A.referred to
B.had referred to
C.was referring to
D.refers to
答案
答案:C
考查时态。句意“我知道那个老师当说到一个聪明的女孩时,他说的是玛丽。”根据when从句可知,说的同时,伴随的动作,应该用过去进行时。refer to“提到,指”。故选C。