Why farmland here is being lost is because farmers have cut down too many trees in recent years. Why farmland here is being lost is that farmers have cut down too many trees in recent years. 解析:why引导的名词性从句或 reason作主语时.引导表语从句的引导词用that而不用because.Because也可以引导表语从句.常用于This / That is because-的句式中. 误区三:混淆if与whether的用法 Whether可以用于所有的名词从句中.if常用于宾语从句中.两者都不能省略. 【查看更多】
