We watched a()television show last night.

单项选择题I don't think it's sensible of you to()your greater knowledge in front of the president, for it may well offend him.

A. show up
B. show around
C. show off
D. show out

单项选择题I didn't know anything about the attributive clause, for I()my lesson.

A. had not studied
B. didn't study
C. have not studied
D. don't study