___ three times in a row, the boxer decided to make a fourth attempt, though．
| A．Having defeated | B．To have defeated |
| C．Having been defeated | D．To defeat |
I don't know the reason ______ you were absent from the meeting, but I'm sure someone will tell me the reason ________ you haven't told me.
| A．why; that | B．that; why |
| C．Because; which | D．of which; that |
Mr. Green has two sons, and one of ______ is working as a bus driver now.
| A．who | B．whom | C．them | D．Whose |
Harry Potter, for _____ life had once been very difficult, achieved great success and finally beat Voldemort.
| A．whose | B．whom | C．that | D．him |
The school canteen has announced that some new dishes will become _____ to our students.
| A．academic | B．available |
| C．attractive | D．psychological |
As a class teacher, I don’t really approve ________.
| A．students to have long hair |
| B．students had long hair |
| C．of students to have long hair |
| D．of students having long hair |