Not only ________learn a foreign language, but also ______ master it well.
| A．must we ; we must | B．must we ; must we |
| C．we must ;’ we must | D．we must ; must we |
There is a 20 minute parking _____ here, so we must get back to the car very quickly.
| A．freedom | B．limit | C．allowance | D．prohibition |
Because of the poor harvest, wheat prices have _____ in the last six months.
| A．added | B．jumped | C．amounted | D．developed |
I can't advise you what to do. You must use your own _____.
| A．opinion | B．guesswork | C．justice | D．judgment |
We won’t know whether it will be successful. We won’t know whether there will be good _____.
| A．ends | B．results | C．effects | D．causes |
The government placed _____ on the numbers of foreign cars that could be imported.
| A．limitations | B．restraint |
| C．requirements | D．restrictions |