Unless you work as hard as you can, you won’t ______ your classmates.
| A．fall behind | B．keep on with |
| C．keep up with | D．catch up |
You must observe and gather information like Nicolaus Copernicus ________ you want more career advancement opportunities.
| A．or | B．because | C．unless | D．if |
_______ in this way, the result seems unsatisfactory, so we’d better have another try.
| A．To look at | B．Looking at | C．Looked at | D．To be looking at |
. When he fell over his own feet, his left ankle was sprained, his right hand became ______ and his nose______.
| A．swelling; bleeding | B．swollen; bled |
| C．swelling; bled | D．swollen; bleeding |
. This English newspaper is believed to be a highly valuable one that ________ many events not found in other newspapers.
| A．writes | B．covers | C．prints | D．reads |
The speech by the governor of Guizhou province at the ninth Chinese National Ethnic Games is deeply impressed _______ my memory.
| A．to | B．over | C．by | D．on |