---Are you satisfied with what the captain explained? ---Not at all. It couldn’t have been________.
—Leaving for Beijing? — ________.
—Be careful not to drop the Ming Dynasty vase. —Yes, we can’t be ________.
—Thank god, you finally returned home ________. —You can never imagine how I worried about you when I was told about the terrible accident.
—I’m leaving on April 30. —So why not come to spend ________ days with me?
—Do you regret paying ten dollars for that book? —No, I would gladly have paid ________.