Memory SAVE THE PLANET- MODAL VERBSVersion en ligne En este juego reforzarás el nuevo vocabulario que has aprendido y comprenderás mejor los verbos modales par Linda Pineda You must switch off the light You could use fluorescent bulbs intead of light bulb You should not let charging the batteries You should save the water You should reduce You could plant trees You should reuse You could water the plants You should recycle You must not dump wastes in the river.