判断题
UNESCO designated Redwood National Park a world heritage site because of its rare ecosystem and cultural history.
正确(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
单项选择题 How deep is the Grand Canyon?（）
单项选择题 Conjure up means（）。
单项选择题 Someone has fire in his belly means（）。
