They received demands that the work ________ at once.

Last month, three thousand students took part in the _______ sports meeting.

Everybodywas touched _________ words after they heard her moving story

Who is that man over there? _______ it be our teacher?—— No, it _______ not be our teacher. It _______ be Mr. Zhang.

hool rule states that no child shall be, unless byan adult, allowed out of the school during the day