The system has been designed to give students quickand easy ________to the digital resources of the library

Many people believe that hunger is only a problem in the developing countries________， it is a problem all over the world

Was this photo taken in Tibet—Yes. You can see beautiful snow mountains in the ______ of the photo.

Earth is a rocky planet _______ liquid water, which is necessary for life, can exist

They have _____ most carefully the time andmoney needed to complete the project.