Do you want to be healthy? ______. Smiling can help you stay healthy.
It’s time for class. So stop ________, please.
He’ll send us a message as soon as he ________ in Sichuan.
—Hello! May I speak to Alice? —Sorry. She isn’t here right now. She ________ to the library.
—What were your parents doing when you phoned me last night? —They ________with my grandparents.
—________were you born, Kate? —I was born in New York, America.