tosuchanextentthat在句子中充当的成分新概念三59课里有句itlittersupherdesktosuchanextentthateverytimesheopensit,loosebitsofpaperfalloutineverydirection.里面tosuchanextentthatxxx是宾补吗?考试写

　　tosuchanextentthat在句子中充当的成分

　　新概念三59课里有句itlittersupherdesktosuchanextentthateverytimesheopensit,loosebitsofpaperfalloutineverydirection.

　　里面tosuchanextentthatxxx是宾补吗?

　　考试写了一句theairpollutionissoserioustosuchanextentthatsomefreewayshavebeenputoutofuse

　　感激不尽!