— I'm sorry I have failed again in the math exam.— _____? You've been working hard at the

题目简介

— I'm sorry I have failed again in the math exam.— _____? You've been working hard at the

题目详情

— I'm sorry I have failed again in the math exam. 
— _____? You've been working hard at the subject.

A. How
B. How come
C. Why not
D. When
题型:单选题难度:偏易来源:0125 模拟题

答案

B

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