精选优质文档-倾情为你奉上练习.状语从句131. _ I came into the office, the teachers were having a meeting. A. While B. When C. Once D. Since132. _ tile day went on, the weather got worse. A. With B. Since C. While D. As133.It was nearly lunch time _ Henry began to feel bad. A. until B. that C. when D. while134._ be staye
