Take an active part in sports or other activities you enjoy ____ you can meet various kinds of people.
| A．what | B．when | C．that | D．where |
The traffic on the main streets has a longer green signal than _______ on the small ones.
| A．one | B．this | C．that | D．it |
I’ve lived in New York and Chicago, but don’t like ____ of them very much.
| A．either | B．any | C．each | D．another |
There are a small number of people involved, possibly ______twenty.
| A．as few as | B．as little as | C．as many as | D．as much as |
(2013·浙江，11)Half of ________ surveyed in 16 countries say they go first to their closest friend to share their deepest wishes and darkest fears.
| A．these | B．some |
| C．ones | D．those |
Recycling is one way to protect the environment; reusing is ________.
| A．another | B．the other |
| C．one another | D．one |