1) Their shouts reechoed througth the forest.

2) Their shouts re-echoed through the valley.

3) The valley reechoed her clear and melodious singing.

4) Their shouts re-echoed through the darkness.

5) Her words re-echoed in his mind.

6) The square echoed and re-echoed to the boom of a 21-gun salute.

7) He has constantly re-echoed the main theme of his acceptance speech:'We want to be proud again!'.

8) White cloth of the law, as above, the actual situation should re-echo the change in density.