CharlesSmith,______wasmyformerteacher,retiredlastyear.
Australia,whichisoneoftheworld'sdevelopedcountries,hasbecomerichthrough________.
Australiaislocatedbetween________andtheIndianOcean.
严复翻译的《天演论》，其原文的题目是（）
Studentsshould_____theirowninterestsaswellasdotheirschoolwork.
