-----What upsets him?-----_____ his computer is out of order.
The woman burst into tears ________she was announced the winner.
_______ you don’t have much experience in this field, why don’t you ask ProfessorWang for advice?
Why ________ it rain on Sundays? We can’t go camping as planned. What a pity!
—Shall we have a smoke here?—No, we _____ because this is gas station and the worker is carrying some petrol.
I am decorating my office now. I _______ comfortably in my office at this time tomorrow.