If only I (know)______ it, I wouldn’t have troubled him.
举一反三
- ____ he was seriously ill, I wouldn't have told him the truth. A: If I knew B: If I know C: If I had known D: If I have known
- ____ he was so serious ill, I wouldn’t have told him the truth. A: Had I known B: If I know C: If I knew D: Did I know
- 13. I would have asked him to attend our gathering but I ____ his address. A: didn’t know B: hadn’t know C: don’t know D: wouldn’t known
- he was seriously ill,I wouldn’t have told him the truth.
- _____ Cindy was seriously ill, I wouldn’t have told her the truth. A: If I knew B: If I know C: Had I known D: Did I know