______will conquer ______ nature.
.—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!—_______.
By looking at a problem in as many ways as possible, creative thinkers can find solutions that would _______ remain invisible.
—What has made him upset recently? —_______ alone to face a troublesome milk case.
—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.