But later people developed a way of printing, _____rocks.
| A．used | B．using | C．and use | D．uses |
He deserves to gain a high score in the coming exam, as he _________ preparations for it.
| A．is making | B．will be making | C．made | D．has been making |
In the lecture, little Tom kept silent all the time unless _________ to express his opinion.
| A．he invited | B．he is invited | C．invited | D．being invited |
_________ are the days when teachers punished students for minor offenses, being late for school, for example.
| A．Gone | B．Go | C．To go | D．Going |
It is quite impossible that it will rain tomorrow. But if it __________, I would still go to school by bike.
| A．should rain | B．would rain | C．rains | D．had rained |
Had she __________ her promise, she would have made it at Beijing University.
| A．looked up to | B．lived up to | C．kept pace with | D．come up with |