Simonebegin a career as nature writer中as的用法？
的有关信息介绍如下：
你好。不需长篇大论。合并下列句子，如果你会，你在这方面的问题就解决了： He was getting off the bus. He fell and hurt himself1 While he was getting off the bus,he fell and hurt himself2 When he fell and hurt himself,he was getting off the bus3 He was getting off the bus when he fell and hurt himself4 He fell and hurt himself while he was getting off the bus.5 As he got off the bus, he fell and hurt himself6 He fell and hurt himself as he got off the bus.
