To our great , his parents were at his mark. A. surprise; surprisedB. surprises; surprisin

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(答案→)A. surprise; surprised
B. surprises; surprising
C. surprises; surprised
D. surprise; surprising
解析： 形容词后一般修饰名词，surprise作名词时，为不可数名词。be surprised 主语是人，be surprising主语是物，故选A。