There are ten people in the classroom, but I know _____.
| A．both of them | B．none of them |
| C．all of them | D．neither of them |
You can’t do _______ before you finish your homework.
| A．something | B．anything |
| C．nothing | D．nobody |
Mr. Lee has worked in a bookshop _______he left college in 2007.
| A．until | B．while |
| C．since | D．from |
Mike was ill yesterday,_______ he didn’t go to school.
| A．if | B．but |
| C．so | D．or |
September is the ____ month of a year.
| A．nine | B．ninth |
| C．nineth | D．ninety |
The little girl was very happy ______ her new friend gave her a beautiful present.
| A．but | B．because |
| C．so | D．although |