中国大学MOOC: ____ I known that we would be walking the fifteen blocks, I would have worn more comfortable shoes.
举一反三
- 中国大学MOOC: ________ I known you were there, I would have telephoned.
- I felt as if we ______ each other for years. A: had known B: knew C: have known D: would have known
- _____I known it, I would have told you.
- ___________ that English is so important in work and life now, I would have devoted more time and energy to my English study. A: Should I know B: Should I have known C: Had I known D: Have I known
- 中国大学MOOC: I would have gone to the party if I ___ time.