---He ought to have been warned of the danger.
---_______, but he wouldn’t listen to me.
| A．He did | B．He should | C．He ought to | D．He was |
______, you were always there to help, and I will always treasure that.
| A．Hopefully | B．Regretfully | C．Unfortunately | D．Thankfully |
If a book is ______, we should try to read it attentively.
| A．worthy reading | B．worth reading |
| C．worthy to be read | D．worth being read |
If I were in ______ position of the headmaster, I would make every effort to bring ______ end to cheating in exams.
| A．/; the | B．a; the | C．a ; an | D．the; an |
----Have you worked in this company for a long time?
---- Yes, since I _________ from the college.
| A．has graduated | B．graduates |
| C．had graduated | D．graduated |
Completely ______with delicious food, Tom wanted to stay there for another two days.
| A．based | B．crazy | C．obsessed | D．being obsessed |