--Well done, Jack! --Thanks. But given more time, I__________ it better.

A. shouldn't have done               B. could have done

C. might not do                     D. could do

--Well done, Jack !

--Thanks. But given more time, I__________ it better.

A. shouldn't have done              B. could have done

C. might not do                     D. could do

--Well done, Jack !  

--Thanks. But given more time, I__________ it better.

A. shouldn't have done              B. could have done

C. might not do                       D. could do

--Well done, Jack !

--Thanks. But given more time, I__________ it better.

A. shouldn't have done　　　　　　 B. could have done

C. might not do　　　　　　　　　 D. could do

---Well done, Jack !

---Thanks. But given more time, I__________ it better.

1. A.
   shouldn't have done
2. B.
   could have done
3. C.
   might not do
4. D.
   could do