After decades of effort, the city is still trying to _____ how to ban smoking in public places.
| A．look through | B．get through | C．figure out | D．take out |
— I heard they went skiing in the mountains last winter.
— It ________ true because there was little snow there.
| A．may not be | B．won’t be | C．couldn’t be | D．will be |
The position, however, ________ you are applying, is not quite a wellpaid one.
| A．that | B．for which | C．which | D．to which |
Cultural exchange ________ better understanding.
| A．makes for | B．looks for | C．takes for | D．sends for |
You can come here to ask me ________ if you have any questions.
| A．at one time | B．at a time | C．at any time | D．all the time |
________ is no possibility ________ she can finish the task in two hours.
| A．There; that | B．It; that | C．There; whether | D．It; whether |