补语、状语、定语分别是什么含义?如何使用?答:特殊引导词:wherever, anywhere, everywhere Generally, air will be heavily polluted where there are factories. Wherever you go, you should work hard. 3. 原因状语从句 常用引导词:because, since, as, since 特殊引导词:seeing that, now that, in that, considering that, given that, considering that...