摘要：34．-Hi, Jack ! Have you heard of any good news about Frank recently? -Yeah. He have done better. He has been admitted to Beijing University. A．shouldn’t B．couldn’t C．needn’t D．wouldn’t
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-Hi, Jack! Have you heard of any good news about Frank recently?
-Yeah．He ________ have done better．He has been admitted to Beijing University because of his winning the prize in the national computer contest．
- A.shouldn't
- B.wouldn't
- C.needn't
- D.couldn't