This is the small house less than 15 square meters, under _________ roof lives a large family of three generations.
Through the satellites, we can send and _______ messages.
All is needed is a Supply of oil.
--When _________ the training course begin? --Next Monday.
I think you’d better _____ your spare time better.
Since the able person, John, is in ______ charge of the matter, we’re sure that the matter is under _____ control now.