It’s too cold outside. I prefer staying at home ________ on such a day.

The old town has narrow streets and small houses ________are built close to each other.

It was foolish of him to ______ his notes during that important test，and as a result，he got punished.

Sam is a _____ swimmer. He can swim very _____ .

Japan says its prime ministerpromised to provide the world with "maximum transparency" about ____accident at the Fukushima nuclear power plant during _____ telephone call