He works hard and is often .I hope he will have more .A. success；successfulB. successful；s

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A. success；successful
(答案→)B. successful；success
C. success；successes
D. successful：successful
解析：be后跟的应该是形容词成功的successful，动词have后应跟名词作宾语，故第二空使用名词成功success，故本题选B。