Mark the letter A, B, C or D to indicate the correct response to each of the following exchangesCâu hỏiHa: “Is tourism something that only rich people can take part in?” Bich: “___________” A. Rich people tend to spend luxurious holidays. B. Not really. So many cheap holidays are being offered these days. C. Cheap holidays give you a chance to travel to more places. D. Places of attractions are always full of visitors.