_______every member has arrived, let’s set about _____ the plan for the next five years.

Mr Smith, looking ______, started to work out a problem.

— When will the expert come and give the lecture on economic development?— Not until our program ____ by the authorities.[ ]

They all looked____ at the teacher when he told them the good news.

It is required that the students _____ mobile phones in our school, so seldom _____ them using one. [ ]