2、rtbecauseofclimatechangeslandbecausepeoplecut________treesanddig________trees.4.Citizenswake________toanorangeskyandstrongwindsthatcoverthecity________athick,brownyellowdust.5.Weatherexpertshaveforecastanotherbigsandstorm________aweek'stime.答案 1.in 2.of 3.down up 4.up in 5.inⅡ.单词拼写1.Acco