If I had previewed my lessons carefully yesterday, I ______ (know) how to answer the paper now.
举一反三
- If I _______ to him yesterday, I should know what to do now. A: speak B: have spoken C: had spoken D: spoke
- My doctors _________ that I would be completely deaf by now. A: previewed B: pretended C: predicted
- I know, but now I can't ___________ and my mouth feels dry.
- If I had attended the meeting, I ________ the decision now. A: would know B: will know C: would have known D: know
- if I had arrived yesterday without letting you know beforehand?