Mary was always singing high praise for her role in the office, _______，of course,made her colleagues unhappy.
| A．who | B．which |
| C．this | D．what |
Mother said she was by no means annoyed; ________, she was happy to be able to make her guests feel at home.
| A．all in all | B．for one thing | C．on the contrary | D．by the way |
Either you or the headmaster_______ the prizes to these gifted students at the meeting.
A. is handing out B. are to hand out C are handing out D. is to hand out
I wish to thank your student Tom, without _______ rescue couldn’t be offered to my drowning boy so soon.
| A．whose | B．which | C．whom | D．who |
He was in hospital for six months. He felt as if he was ______ from the outside world.
| A．cut out | B．cut off | C．cut up | D．cut through |
We must accept the possibility ________ one, although working hard, may fail to reach his goal.
| A．whether | B．what | C．that | D．how |