. It’s not ____ I won’t do it, _____ I can’t do it.
| A．what; but that | B．because; but what |
| C．what; but because | D．that; but that |
—Your sister nearly _______ all her spare time to her study during the three years.
—That's right, or she ________ the first place in her school in the examination.
| A．devoted; wouldn't have taken | B．spent; wouldn't have taken |
| C．had devoted; hadn't taken | D．had spent; couldn't take |
Mr. Brown, a good friend of mine, __________ us but that he was short of money at the time.
| A．would help | B．would have helped |
| C．had helped | D．helped |
I wish you _________John so much. He is still very depressed.
| A．hadn’t hurt | B．didn’t hurt |
| C．don’t hurt | D．wouldn’t hurt |
My headache is killing me. I ______ it was going away. But now it’s getting worse and worse.
| A．think | B．thought |
| C．have thought | D．had thought |
I _______ in a foreign company for five years. Still, I don’t regret giving up the well-paid job.
| A．worked | B．have worked |
| C．was working | D．had worked |