He failed in finding the job. I think that he to get some
more qualifications before applying for the job.
A. should have tried
B. must have tried
C. might have tried
D. needn’t have tried
网友回答
A. should have tried
(答案→)B. must have tried
C. might have tried
D. needn’t have tried
解析:可联系答.案.网客服索取。