In the meantime, the question facing business is whether such research is________the costs.
| A．valuable |
| B．worth of |
| C．worthy of |
| D．worthwhile |
Each member of ____ Green Pace Club is required to gain ____ better understanding of their system.
| A．a; / | B．the, a | C．the, the | D．a, a |
---Ken, ____, but your TV is going too loud.
| A．I’d like to talk with you | B．I’m really tired of this |
| C．I hate to say this | D．I need your help |
The road conditions there were very good, _______ was more than we could expect.
| A．it | B．what | C．which | D．that |
Because he was not ________ the new speed limit, he was stopped and fined by the police.
| A．good at | B．tired from | C．interested in | D．aware of |
We _________ some money every month in order to buy a computer.
| A．set out | B．set up | C．set aside | D．set about |