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题目内容
（国家开放大学理工英语3-）
The law requires that everyone _________ his car checked at least once a year.
单选题 (10 分) 10分
A.
has
B.
had
C.
have
单选题 (10 分) 10分
A.
has
B.
had
C.
have
参考答案
