Question

【题目】Father ________ for London on business upon my arrival, so I didn’t see him.

A. has left B. left C. had left D. was leaving

Answer 1

【答案】C

【解析】分析句子，由于后半句用的是一般过去式，故根据意思可知前半句的事是发生在后半句之前，故用过去完成时，故选C。句意：父亲在我回来之前已经去出差了，所以我没有见到他。