根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。（每空只写一词）

小题1: My _________（本国的）language is Chinese．

小题2: He went through the forest under the __________（保护）of his dog．

小题3: There are seven ____________ （大洲） on the earth．

小题4:She is ____________（挑剔） about what she eats．

小题5:The patient was lying on the floor __________（失去知觉）．

小题6:Some fossil __________（燃料）result in increase in carbon dioxide．

小题7: I was feeling_________ （不舒服） hot．

小题8: He has gained ______ （实践的） experience of sailing as a sailor．

小题9: The ten most ____________（频繁地） asked questions are listed below．

小题10: Nowadays we still can see rivers p________ with chemical waste from factories．