He couldn’ t _______his father that John was telling the truth.[ ]

To pay to see that movie seems foolish ________ youcan see it on television for free

Many Internet users make _____ most of thehalf-price promotion and it is _____ good opportunity for online shopkeepers toget their names known.

Linda worked for the Minnesota Manufacturing and Mining company，________as 3M.

Excuse me, Mum. When can we have dinner—Not until it inhalf an hour.