The poor boy the test again; in that case, his mother will be very disappointed.
来源：网络
时间：
推荐文章
The poor boy _____ the test again; in that case, his mother will be very disappointed.
A. must have failed B. might fail C. could have failed D. should fail
试题答案
B
解析:
从后文的将来时可以断定考试的结果还不确定，只是在进行推测，故排除A、C，D的语气不对，只有might表示语气不确定的“可能”，符合题意。