The team has worked hard and its efforts have been _______with success.

 Ten years ago, the population of our village was ______ that of theirs.

—I heard that Mary had ________ with her friend. —Really? No wonder they don’t speak to each other any longer.

With more and more farmers moving to cities, an inadequate labor force is ________ becoming a major factor affecting the country's grain output.

(2013·安徽蚌埠第一次质检)Finding information in today's world is easy. The ________ is how you can tell if the information you get is useful or not.