The old lady who caught a bad cold complained that the doctor was ______ too much for the treatment given to her．
| A．paying | B．offering | C．spending | D．charging |
If you insist on driving like this, you will have to suffer the ____ sooner or later.
| A．causes | B．consequences | C．exchanges | D．achievements |
He did well in the examination. He _____ hard at his lessons..
| A．must have worked | B．can have worked |
| C．will have worked | D．has worked |
No one knows exactly when our ancestors started talking, but new evidence suggests that____ might have happened a long time ago.
| A．which | B．what | C．it | D．they |
On seeing the damage he had done to his kind neighbor’s house, the child felt______.
| A．ashamed | B．shy | C．sure | D．proud |
The film star has asked _______ but the journalists just keep following him wherever he goes.
| A．to leave alone | B．left alone | C．to be left alone | D．being left alone |