The old lady donated much money to the poor students. ______she is not rich.
—Is David coming by train?—He should, but he not. He likes driving his car.
US First Lady Michelle Obama encouraged students to study abroad in her when visiting Peking University on March 22, 2014.
Be quick, ___________ we’ll be late for the meeting.
________ useful advice you gave us!
—Did you enjoy the party yesterday?–-________, so I left early.