Suspecting the traveler of carrying drugs, the Customs official stopped him and ______ suitcase, but found nothing at all．
| A．looked up | B．went through | C．searched for | D．referred to |
Sarah made ______ to the airport just in time to catch her plane this morning.
| A．herself | B．this | C．that | D．it |
（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 |