Excuse me ,______ is it from the nearest post office — Only ten minutes’ walk.

Every possible means ________ to prevent the air pollution, but the sky is still not clear. [ ]

Most of the ______ ______ very hot .

To keep safe ____ an earthquake, you should remain at a spot in your room where nothing may fall on you[ ]

Our bodies are strengthened by exercises. ______, our minds are developed by learning.