Что означает сокращение "rb"???​

Зависит от контекста

в сочетании BRB - be right back

может reconnaissance bomber - самолет-разведчик

еще rb - regular budget ( редко)

Объяснение:

hair-fair

story-dolly

carrot-parrot

rope-hope

day-tuesday

know-blow 

1.tony is used to love reading ghost stories but now he simply hates them.

2.when he was boy, he would watch every tv programme about the world's mysteries. 

3. i have never believed in dreams until one of them came true.