26. —The accident might not have happened, had we been more careful. 

—But we ______.

   A. weren’t                    B. didn’t                       C. hadn’t                     D. don’t 

27. —How did you do in the driving test yesterday?

   —I had a narrow ______. My month-long practice gave me some comfort.

A. chance              B. surprise            C. hope               D. pass

28. —Those are size 44. You might need a smaller size.

—Yes, I ______ a bit of weight. I have been trying to lose weight!

A. will have lost                B. should have lost    C. may have lost    D. can’t lose