— How far can you run without stopping?
— ________. I’ve never tried.
| A．Don’t mention it |
| B．That’s all right |
| C．I have no idea |
| D．Go ahead |
I think this is the very work that we must finish ____ her.
| A．to help | B．help |
| C．helping | D．helped |
. ______ smoking, he would not have got cancer in the lung.
| A．Was he given up | B．Had he given up |
| C．Did he give | D．If he gave up |
I was too careless.If only I ___ my car!
| A．hadn't lost | B．would not have lost | C．didn't lose | D．haven’t lost |
He was disappointed that his plan did not ___.
| A．go on | B．go off | C．go through | D．go out |
He stood up angrily and ___ in strong language when they stated their views.
| A．objected | B．announced | C．declared | D．said |