Little _____ how much difficulty he had gone through.
A: I knew
B: I know
C: did I know
D: does I know
A: I knew
B: I know
C: did I know
D: does I know
举一反三
- 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
- ( )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
- ______, 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
- 25. So little _____ about mathematics that the lecture was completely beyond me. A: I know B: I knew C: do I know D: did I know
- ____ 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