I won't be free Friday morning.I-------a friend off A am see
I won't be free Friday morning.I-------a friend off A am seeing B shall be seeing I won't be free Friday morning.I-------a friend off A am seeing B shall be seeing C have seen D shall have seen
答案是B。 首先排除C和D,因为这两个答案表示的都是完成的动作。 A和B的区别在于现在进行时表示按照计划将要发生的动作,而将来进行时强调在未来某个时刻正在发生的动作,这种时态常常用在对前面提到的时间“不合适”时的解释上。比较: I am having piano lessons at nine this evening. 今晚9点我要上钢琴课。单纯的宣布,和任何人或事无关。...