The government requested that all the people ___________ in any indoor public area.
| A．not to smoking | B．not smoke | C．not smoking | D．to not smoke |
The traffic rule says young children under the age of four and________ less than 40 pounds must be in a child safety seat
| A．being weighed | B．weighs |
| C．weighed | D．weighing |
________ blood if you can and many lives will be saved.
| A．Giving | B．Give | C．Given | D．To give |
I can't stand ________ with Jane in the same office.She just refuses ________ talking while she works.
| A．working; stopping | B．to work；stopping |
| C．working；to stop | D．to work；to stop |
Isn't it time you got down to ________ the papers?
| A．mark | B．be marked |
| C．being marked | D．marking |
There is a new problem involved in the popularity of private cars ________ road conditions need ________.
| A．that；to be improved | B．which; to be improved |
| C．where；improving | D．when；improving |