(1)Our school advocated that we building a low-carbon campus.
(2)I met him when I worked in London, and I him ever since.
(3)It's hard to accurately predict what life will be like in the future. , technology developments have raised the prospect of a more convenient and healthy life.
(4)Some universities have reminded the students to remain calm and avoid causing any disturbance when wild animals on campus.
(5)Accompanied by a local guide and my adorable children, we to go camping at a splendid valley.