问题
选择题
The law required that everyone ________ his car checked at least once a year.
A．has
B．have
C．had
D．will have
答案
答案：B
B [require后接宾语从句用虚拟语气，谓语动词用should加动词原形，should可以省略。]
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The law required that everyone ________ his car checked at least once a year.
A．has
B．have
C．had
D．will have
答案：B
B [require后接宾语从句用虚拟语气，谓语动词用should加动词原形，should可以省略。]