1.Trang An Landscape Complex is renowned for its diverse ecosystem, unique natural beauty ____ and characteristics. A.enviromental B.ecological C.geology D. geological 2. It ____ 70 tons of dead fish washed ashore along more than 200 kilometres of Viet Nam's central coastline in early April A.was reported B.has reported C. has been reported D.were reported 3. The Ho Dynasty Citadel has a palace ____ with marble roads that connect each palace A. Complex B.building C.area D.setting