while 从句中省略主语和 be的用法(2 页)Good is good, but better carries it.精益求精，善益求善。while 从句中省略主语和 be 的用法[原句展示]While on a hiking trip, our cooks prepare delicious meals. (P22)[用法归纳]while 引导状语从句作“当……时候”讲时，假如主句和从句的主语一致,且从句谓语又含有be，则从句中有时可省略主语和 be, while 后可以直接跟现在分词、过去分词、名词、形容词或介词短语。如：While (she was) listening to the radio, she fell asleep.While (you are) asked to answer questions, please speak louder.While (he was) yet a youth, he gained many prizes. While (he was) ill, he went on working.He caught a cold while (he was) on vacation.[即学即练]把下列句子翻译成英语，省去能省略的成分。1. 我在上大学时就认识他。2. 他在打篮球时受了伤。Key:1. I knew him while at college. 2. He hurt himself while playing basketball..,[[>&—！*【；？￥%^\|,].|）(;|《@,，&
