问题
What a pity! Considering his intelligence and diligence, he ______ a higher grade.[ ]
A: can have achieved
B: must have achieved
C: need have achieved
D: might have achieved
B: must have achieved
C: need have achieved
D: might have achieved
正确答案是：
同类题型
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The English-Chinese dictionary helps me a lot. I often_____ new words in it.
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