Would you please keep silent? The news that the milk contains a harmful chemical _________and I want to listen.
The lawyer seldom wears anything other than a suit __________the season.
Water, _______enough, can change into vapour quickly.
To tell the truth, I won’t go to the party_______.
The man stopped from time to time_______whether he was being followed.
Doctors have said that as many as 50% of patients don’t take medicine_______.