On Saturdays, students are very proud to be on the street to guide passers-by to obey traffic rules.
They urged that the library _________ open during the vacation.
Children under six are not __________to school except those of extraordinary intelligence.
When the headmaster spoke out his plan, the _________of the students in the class _________ against it.
Thanks to the advice _______ by the experts, we finished our task at an amazing speed.
The dictionary, a few pages ________ are missing, is of no use.