We went right round to the west coast by ______ sea instead of driving across ______ continent.
| A．the; the | B．不填；the | C．the; 不填 | D．不填；不填 |
“ Will you repeat the question?”“ Certainly. It’s certain that you _____ attention.”
| A．didn’t pay | B．don’t pay | C．weren’t paying | D．aren’t paying |
_____ you’ve a chance, you might as well make full use of it.
| A．As soon as | B．Though | C．Now that | D．After |
She started as an office junior and _____ became director of the whole company.
| A．in time | B．on time | C．in turn | D．in return |
You are not permitted _____ chance alone.
| A．to be taken a | B．to take a | C．taking a | D．being taken |
____ of coal ____ explored in this area every year.
| A．A plenty; is | B．Large amounts; is | C．A number of; are | D．Large amounts; are |