I think I have great writing ______, but it’s a pity that I don’t have a chance to realize it.
| A．pollution | B．possibility | C．privilege | D．potential |
The telephone _______, but by the time I got indoors, it stopped.
| A．had rung | B．was ringing | C．rings | D．has rung |
In recent years many football clubs ______ as business to make a profit.
A. have run B. have been run C had been run D. will run
Though we don’t know what was discussed, yet we can feel the topic_____.
| A．had changed | B．will change | C．was changed | D．has been changed |
By the time he realizes he ____into a trap, it’ll be too late for him to do anything about it.
| A．walks | B．walked | C．has walked | D．had walked |
The wet weather will continue tomorrow when a cold front ______ to arrive.
| A．is expected | B．is expecting | C．expects | D．will be expected |