The brain is capable of ignoring pain messages if ______ to concentrate on other activities. A: it allowed B: is it allowed C: allowed D: allowed it

It is decided that no smoking ______ in public places from now on. A: be allowed B: is allowed C: will be allowed D: has been allowed

Three days_____ for them to make the necessary preparations for the ceremony. A: have allowed B: had allowed C: were allowed D: allowed

Our English teacher , as well as all the students,______ not ______ Chinese in the English corner. A: is ; allowed to speak B: is ; allowed speaking C: are ; allowed to speak D: are ; allowed speaking

Anyone is ______________ talk in the reading room. A: not allowed to B: allowed to

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

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

In no circumstances （） in public places. A: smoking should be allowed B: should smoking be allowed C: smoking is allowed D: allow smoking

To make our environment cleaner, many people suggest that no smoking （） in public place. A: allow B: be allowed C: was allowed D: allowed

Fill in the blanks with are allowed to or are not allowed to.Sorry, you _______________________ bring dogs to the hotel.