Curious and          ________， I rushed out of my dormitory when I heard the noise of three gunshots.

________ with his work in the Satellite Launch Site，he could not spare any time to stay with his parents though they are very old.

Great attention must be paid ______ education, especially in the poor area.

When it comes to __ in public, no one can match him.

In many countries more and more forests and even agricultural land are being lost to development, _______ much of the land to become desert.