自考《英语（一）》试题练习：情态动词的用法（7.17）
单选题
1.[2010.4]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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