Что здесь надо делать ? ? на уроке не было не знаю что делать вот what is the hound of baskervilles about? what type of store is it? read the plot to find out

1.A detective story by English writer Arthur Conan Doyle, one of his four novels about Sherlock Holmes.
2.Detective.
3.It is you decide.
4.Legend has it that this dog was called a demon black devil