It was not until I reached my apartment building and unlocked the door __________ what the noise had been.
| A．that did I realize | B．before I realized |
| C．that I realized | D．did I realize |
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 |
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 |
“How long have you stayed in this hotel?”“Not long, just ______ this Monday.”
| A．on | B．since |
| C．until | D．after |
So far, several ships have been reported missing _______ the coast of Bermuda Island.
| A．off | B．along |
| C．on | D．around |