The meeting was _____ when the chairman fell ill.
Plan your activities so that you are rested and refreshed when something important ______.
Nobody noticed he entered the room because the lights _________________ burst.
Please call the station to make sure when the earliest train ______________.
--- Don’t forget to turn to me if you have any trouble. ---- __________________.
It is _________ you speak ill of others behind them __________ she hates you.