---Hi, Lucy．Have you heard of any good news about Frank recently? ---Yeah．She ha
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---Hi, Lucy．Have you heard of any good news about Frank recently?
---Yeah．She ____ have done better．She has been admitted to one of the top-ten universities in the States．
A.shouldn’t
B.wouldn’t
C.needn’t
D.couldn’t
试题答案
D
考查情态动词。couldn’t + 比较级,意思为“不能再...了”,即表示最高级“非常...”或“最...”的意思，根据句意选D。