— Jim, how did your English test go?

— I had thought I ________, but luckily I came top in the list in class.

(江苏省南通市2009期末调研)－Mary, how did your Math test go?

 －I had thought I _________, but in fact I came in the top 10% in my class.

A. should have failed                          B. couldn’t have failed

C. might have failed                           D. shouldn’t have failed

----How did your interview with the manager go?

----        He seemed interested in my experience, but he didn^’t ask for references.

A．Perfect!                              B．I^’m not sure.

C．That^’s right.                           D．Couldn^’t be better.

— How did your students express their thanks to you on Teachers’ Day?

— A gift, together with many flowers ____ sent to me by my students.

A. is      B. are               C. was          D. were

—John, how did your English exam go?

— I thought I _____ , but in fact I came in the top 10% in the class.

A. should have failed                         B. might have failed

C. couldn’t have failed                       D. mustn’t have failed