Gallery 5
Fill in the blank
22.Singapore is often ranked as one of the _________ in the world. Where technology helps to maintain a _________________ water supply. And comprehensive _________ keeps our streets and water clean. Where drains and canals undergo ________ into streams and rivers, where people, businesses and __________ to care for the environment.
Fill in the blank
22.Singapore is often ranked as one of the _________ in the world. Where technology helps to maintain a _________________ water supply. And comprehensive _________ keeps our streets and water clean. Where drains and canals undergo ________ into streams and rivers, where people, businesses and __________ to care for the environment.