It is important to have your eyes examined regularly to check for any sign of eye disease that may not have any ________.
| A．symptom | B．similarity | C．sample | D．shadow |
Only after her mother came to help her for the first few months_____ to begin her project.
| A．she allowed | B．did she allow |
| C．she was allowed | D．was she allowed |
Nowadays everyone is responsible for _____ a harmonious(和谐的) society in China.
| A．making up | B．taking up |
| C．building up | D．opening up |
In communication, a smile is usually _____ strong sign of a friendly and _____ open attitude.
| A．a; / | B．the; / |
| C．a; an | D．the; an |
The police went to the forest in search of the escaped prisoner, but _____ success.
| A．with | B．in | C．for | D．without |
Our headmaster requested Jane Goodall and Yuan Longping to give us a lecture but _____ of them accepted the invitation because they were too busy then.
| A．neither | B．either |
| C．both | D．none |