______, I would have phoned you.
A: If I knew it
B: Had I known it
C: If I know it
D: Did I know it
A: If I knew it
B: Had I known it
C: If I know it
D: Did I know it
举一反三
- ______, I would have told you. A: If I know the news B: Had I known the news C: If I knew the news D: Did I know the news
- ( )he was seriously ill, I would not have told him the truth A: If I knew B: If I know C: Had I known D: Did I know
- ______ the result, I would not have asked you to tell me. A: If I know B: Had I known C: I had known D: If I knew
- I would have sent you these photos if I _______your email address. A: had known B: know C: have known D: knew
- So little（）about the topic that I had nothing to talk about. A: will I knew B: did I know C: do I know D: have I known