根据课文内容填空。
It was an amazing day because we saw the main _____ of the world in just one day. The song and dance shows were also wonderful. We learnt a lot about different_____.
Last month, he thought the living room in his house was ____, so he painted it blue. His mum said, “stop it”. But he kept on _________. Now the living room has not only blue walls but also a blue ____ and floor.