If you had been more careful, you______have made so many mistakes.
A: won't
B: wouldn't
C: may not
D: mustn't
A: won't
B: wouldn't
C: may not
D: mustn't
举一反三
- If you had been more (care) ______, you wouldn’t have made so many mistakes.
- If you ________________________ (work) carefully, you shouldn't have made so many mistakes.
- You didn’t take his advice．________ his advice, you _______ such a mistake. A: Had you taken，wouldn’t have made B: If you had taken，would make C: Were you to take， shouldn’t have made D: Have you taken，won’t have made
- （）I been more careful, I wouldn't have made those silly errors A: If B: Had C: As if D: I wish
- But you have to study hard, (). A: mustn't you B: won't you C: don't you D: oughtn't