Sent a letter to my friend

Dearmyfriend，Tommy:

Thankyouforyourlastletter。herearephotosofmeandmysistertwinCoco。Asyoucansee，insomewayswelookthesame，insomewayswelookdifferent。Webothhaveblackhairandblackeyes。Aloughmyhairsisshorterthanhers。Sheismoreoutgoing，Iamquieter。IthinkIamsmarterthanher。WEbothlikesports，aloughsheismoreathleticthanme。IthinkIamsmarterthanher。Myfavoritesbujectsarephycicsandchmistry。HerfavoritsubjectisP。E。However，webothlikegoingtotheparties。

Yours，Christina。