The Education Bureau gave a warning to each school without any _____ when the virus of H1N1 hit our city.
----Is there any possibility _____ you could pick me up at the airport? ----No problem.
The teacher stressed again that the students should not _____ any important details while retelling the story.
Finding information in today’s world is easy. The _____ is how you can tell if the information you get is useful or not.
Mrs. White showed her students some old maps _____ from the library.
The teacher always tells her students that only if _____ hard ____ achieve success.