—________, I can attach no definite meaning to this rather grand sentence.—Why not turn to your teacher for help?
It is ______ that two and two make four.
—Some more wine? —Thank you. ______. I have to drive home.
Only when _______________ home ____________ the truth.
_______in her office for nearly 20 hours, she is going home to have a rest.
Tomorrow, our ship will set sail for Macao.