阅读下面材料，根据其内容和所给段落开头语续写两段，使之构成一篇完整的短文。

Iamahighschoolstudent,andI’vealwaysbeenshyandquiet.Speakingup,especiallyinfrontofmyclassmates,hasalwaysbeendifficultforme.Inclass,Itendtoavoidtheteacher’slookandrarelyvolunteeranswers.Ifindmyselfmorecomfortableobserv