Public service advertisements are often run _____ free, and are ______ to educate people about health, safety, or any other issue which affects public welfare.
| A．for, mean | B．for, meant | C．of, to mean | D．in, meaning |
One condition of this job is that you must be ____ to work at weekends.
| A．available | B．capable | C．acceptable | D．accessible |
— Please follow me in case you get lost. This is your first time in the city, right?
— Yeah. How ____?
| A．did you know | B．do you know | C．had you known | D．will you know |
____ in the past, at the moment it is a favorite hair color.
| A．Unpopular as red was | B．As red was unpopular |
| C．Red was as unpopular | D．As unpopular red was |
You can ____ your time about handing in your homework; there is no rush.
| A．have | B．spend | C．take | D．save |
Jane is a good dancer. When on stage, she is always so proud of herself.
| A．stands | B．standing | C．is standing | D．stood |