The police suspected him of carrying drugs so they _______his bags, but found nothing.
| A．looked up | B．turned in |
| C．searched for | D．went through |
The teacher stressed again that the students should not _____ any important details while retelling the story.
| A．bring out | B．let out |
| C．leave out | D．make out |
Finding information in today’s world is easy. The _____ is how you can tell if the information you get is useful or not.
| A．challenge | B．competition |
| C．ability | D．knowledge |
Mrs. White showed her students some old maps _____ from the library.
| A．to borrow | B．to be borrowed |
| C．borrowed | D．borrowing |
The teacher always tells her students that only if _____ hard ____ achieve success.
| A．do they work, will they | B．do they work, they will |
| C．they work, will they | D．they work, they will |
Obviously the measures taken by the local government have _____ the solution to drinking water problems in this region.
| A．contributed to | B．referred to |
| C．turned to | D．devoted to |