单项选择题

No one should enter the spot without the ______ of the police.

A. permit

B. permission
C. permitting
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单项选择题
Letting that animal escape was no accident; you did it ______.
A. intend

B. intentionally
C. intentional
单项选择题
Have you ______ your ticket
A. book

B. booked

C. booking
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