Exercice : mers les verbes entre parenthèses à la forme passive ou active :
- the cultural centre (build) right un the middle of the park and it (make) of mud (=boue).
-the area (restrict) because it is a scared site but it (no forbid) to climb it.
-Many peolpe eagerly (watch) the colour changes on the rocks with the sun behind them.
-tourists always (not tell) how to behave in special places.