问题补充:
—I miss my mother very much. She has gone abroad on business for nearly a year but luckily she will be back in a week.
—Pardon? I something else just now. will she come back?
A. was thinking; How long
B. thought; How often
C. was thinking; How soon
D. thought; When
答案:
A. was thinking; How long
B. thought; How often
(答案→)C. was thinking; How soon
D. thought; When
解析:how soon表示多久之后,常用在将来时中。