If Mr Justin ever owned a dog, he _____ a legal responsibility to keep it under control.
A: should know
B: should be known
C: should have known
D: must know
A: should know
B: should be known
C: should have known
D: must know
举一反三
- You _________ than to make those embarrassing remarks. A: should have been know better B: should have known better C: should have know better D: shouldn’t have known better
- He looks as if he ______ nothing about the news. A: would know B: would have known C: knew D: should know
- ___________ that English is so important in work and life now, I would have devoted more time and energy to my English study. A: Should I know B: Should I have known C: Had I known D: Have I known
- What an odd _____ that he should have known your family.
- This is one of the best students that I ______. A: even have known B: B. have ever known C: know D: D. knew