【单选题】I was eleven when we had to move out of the big old house in which I had spent my whole life. Each time I thought of that, I felt very sad. When the final day came, I ran to a corner and sat alone, tr...
【简答题】26. If I _____ the challenges at that time, I might not have started my own business.
A) would know
B) have known
C) had known
D) will knowA. would know B. have known C. had known D. will known