.No one is to without showing the passport at the entrance to the hall.A. admitB. be admi

问题补充：

.No one is to without showing the passport at the entrance to the hall.

A. admit

B. be admitted

C. have admitted

D. have been admitted

答案：

A. admit

(答案→)B. be admitted

C. have admitted

D. have been admitted

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