问题

He insisted the person referred ______ put into prison at once.
A:is
B:be
C:to be
D:should be
B:be
C:to be
D:should be
正确答案是:
同类题型
em to have had that car for years—Yes, I should sell it ________ it stillruns
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The students ______ the classroom, so it’s tidy and clean now.
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