—Try not to work yourself too hard. Take it easy.
—Thanks. ________.
| A．So what? | B．No way | C．What for | D．You too |
Teachers recommend parents __________ their children under 12 to ride bicycles to school for safety.
| A．not allow |
| B．do not allow |
| C．mustn't allow |
| D．couldn't allow |
Sit down, Emma. You will only make yourself more tired, __________ on your feet.
| A．to keep |
| B．keeping |
| C．having kept |
| D．to have kept |
Go back home now, Mary. Your parents __________your safety.
| A．are concerned about |
| B．are concerned with |
| C．are concerned in |
| D．concern of |
I did a lot of work on that book. It annoys me that the editor never __________ that.
| A．refused |
| B．acquainted |
| C．acknowledged |
| D．accused |
The form is said to require __________ in black ink.
| A．filling in |
| B．to be filled |
| C．filling |
| D．to fill in |