The fact is that citizens ____ enter this palace without special permits.
A: is allow not
B: are not allowed
C: were not allowed
D: are not allowed to
A: is allow not
B: are not allowed
C: were not allowed
D: are not allowed to
举一反三
- No students are allowed to enter the room without _________ (permit).
- Without a valid visa, no ______ will be allowed to enter the country. (tour)
- We _____ to go into the school unless we are in school uniforms. A: allow B: are allowed C: are not allowed D: should be allowed
- No one (allow) _____ to take any reading materials out of the reading room. A: allow B: is allowed C: to allow D: allowed
- In no circumstances （） in public places. A: smoking should be allowed B: should smoking be allowed C: smoking is allowed D: allow smoking