Mary felt ______ from the outside world, since she lacked an internet connection and couldn’t receive any e-mail.
Someone who lacks staying power and perseverance is unlikely to _________ a good researcher.
They _________ two free tickets to Canada, otherwise they'd never have been able to afford to go.
—Have you been wasting time on computer games again? —________.I've been studying a lot and I need a break.
________ walk is expected to last all day, so bring ________ packed lunch.
I regret _________ you that you can't ________ the game.