_____ of the workers in this factory is about five hundred. ______ of them are women.
| A．The number; Two third |
| B．A number; Two third |
| C．The number; Two thirds |
| D．A number; Two thirds |
________ have you been in this city? -- Ever since 2000.
| A．When | B．How long |
| C．How soon | D．How often |
It is ________ of people to help the disabled.
| A．important | B．useful |
| C．meaningful | D．kind |
I have already _______ the novel for a week. I must return it _______ the library tomorrow.
| A．borrowed; to | B．lent; back to |
| C．kept; to | D．kept; back to |
Don't risk the street when the red light is on.
| A．walking cross | B．go across |
| C．walk across | D．going across |
The girl has learned English ________.
| A．since two years | B．for two years ago |
| C．for two years | D．two years ago |