单选题
George has just bought a fancy sports car.It ______ about $45，000.
A.might cost him
B.should cost him
C.must have cost him
D.would have cost him
正确答案：C
答案解析：本题考查情态动词的用法。must have cost：一定花费了……。
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2013年自考英语考试七月份每日一练汇总
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