—Did you remember to give Mary the money you owed her?
—Yes, I gave it to her _______ I saw her.
| A．while |
| B．the moment |
| C．suddenly |
| D．at the moment |
It doesn’t matter to me____ I miss my train, because there’s another one later.
| A．that | B．if | C．unless | D．when |
—I thought you wouldn’t mind.
—Well, as a matter of fact I ____; but you should have asked me first.
| A．did | B．do | C．won’t | D．don’t |
The time is not far away____modern communications will become widespread in China’s vast countryside.
| A．as | B．until | C．before | D．when |
Hardly ___________the door when he rushed into the office out of breath.
| A．I opened | B．did I open | C．I had opened | D．had I opened |
We want such materials ________ can bear high temperature and pressure.
| A．that | B．as | C．what | D．which |