Michael is from America.
She seldom needs help with her work, _______she?
Ladies and gentlemen, please turn off your mobile phones. The plane will _________ soon.
—I miss my mother very much. She has gone abroad on business for nearly a year but luckily she will be back in a week. —Pardon? I ______ something else just now. ________ will she come back?
At present, more and more people prefer _________ in the countryside because there is _____ pollution in the city.
—Could you tell me ______________? —It’s twenty minutes by underground.