This is one of the happiest days ____ spent in my life.
He got well prepared for the job interview, for he couldn't risk __________ the good opportunity.
He particularly enjoyed __________ a trick on the three men.
—Did you enjoy yourself last night? —Yes, it's very nice of you. I appreciated __________ to the party.
The man insisted __________ a taxi for me even though I told him I lived nearby.
Isn't it time you got down to __________ the papers?