Is there anything ______?
| A．you are not sure |
| B．about which you not quite sure |
| C．that you don’t understand |
| D．which you don’t understand |
【原创】People find it harder and harder to _____ the pace of modern science with the development of science and technology.
| A．keep in touch with | B．keep the balance of |
| C．keep up with | D．come up with |
【原创】My brother _____ in a factory, but he doesn't like it very much
| A．worked | B．is working |
| C．was working | D．works |
【原创】All the office workers fled in every direction _____ when the building caught fire.
| A．on a panic | B．in panic |
| C．in surprise | D．with terror |
【原创】The job would be impossible without the _____ of the computer which helps us much in many ways.
| A．delay | B．aid |
| C．rescue | D．exist |
【原创】The problem____ this term is ____students don't like doing exercise.
| A．with,that | B．with,why |
| C．of,that | D．of,because |