This old computer must have been of great use to _______ did the scientific research.
| A．those | B．when | C．whoever | D．whomever |
Tom’s mother always told him not to smoke again, but _____ didn’t help.
| A．he | B．it |
| C．which | D．as |
In my apartment there are two rooms, _____ is used as a living room.
| A．larger one | B．the larger of which |
| C．the largest one | D．the largest of which |
There was nothing special about this film — it was only ______.
| A．particular | B．average |
| C．interesting | D．strange |
I don’t like it at all. It can’t be _____.
| A．better | B．worse |
| C．best | D．worst |
It was _____ opportunity to miss.
| A．too good an | B．a too good |
| C．too a good | D．too good |