我也正好在写,刚写了一个开头,看看是否有启发:
TheRailwayChildren
Roberta,PeterandPhylliswerelivedwiththeirparentsinLondon.Butonepersonputsomelettersintotheirfather’sdesk.Sopolicemansaidhewasaspy,andthathe’dsoldGovernmentsecretstoanothercountry.Thentheirfatherwasinprison.AndtheyhadtoleavetheirhouseinLondonandweregoingtoliveinthecountry,inadearlittlewhitehouseneararailwayline.Theyhadtoplay“beingpoor”forawhile.That’swhytheycalled“TheRailwayChildren”.
注意时态,用关联词将故事串起来应该是很easy的.自己试试