Mike, you’ve got a “D” in physics. ________?—Well. I find the subject hard and I think I’ll drop it for History next term.
On the flight to Chongqing, the memory of my childhood, _______ I was my father’s shadow, came flooding back.
—Alice, you look puzzled.Haven’t you understood it? —Yes.I _of another problem just now.
—I can’t imagine Phelps was caught smoking on campus! —_______.
—What are you doing, John? Why stop? —To be on the safe side, we’d fill up the car now for we _______ run out of gas on the way.
Bill Gates has created a wonderful “window” ______ people can surf the Internet freely.