Lucy is believed to have been killed by a vampire. She was seen ________ Dracula’s castle last week and has never come out.
| A．enter | B．toenter |
| C．entering | D．entered |
（2013·安徽卷) This project requires close teamwork. will be achieved unless we work well together.
| A．Nothing | B．Anything | C．Something | D．Everything |
（2013·重庆卷)Recycling is one way to protect the environment; reusing is ______.
| A．another |
| B．the other |
| C．one another |
| D．one |
（2013·辽宁卷)To her joy,Della earned first the trust of her students and of her collegues.
| A．that | B．one | C．ones | D．those |
At our factory there are a few machines similar to _______ described in this magazine.
| A．them | B．these | C．those | D．ones |
The traffic on the main streets has a longer green signal than _______ on the small ones.
| A．one | B．this | C．that | D．it |