题目内容
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 |
B
略
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题目内容
| A.should have tried | B.must have tried |
| C.might have tried | D.needn’t have tried |